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55555550652 = 22372236167343
BaseRepresentation
bin110011101111010111…
…100110110110111100
312022101202120101102010
4303233113212312330
51402234210110102
641304420131220
74004501250300
oct635727466674
9168352511363
1055555550652
1121619729528
12a925536b10
135314a333c4
1429904c7d00
1516a2488d6c
hexcef5e6dbc

55555550652 has 144 divisors (see below), whose sum is σ = 159931763712. Its totient is φ = 14933761920.

The previous prime is 55555550623. The next prime is 55555550683. The reversal of 55555550652 is 25605555555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 791293 + ... + 858635.

It is an arithmetic number, because the mean of its divisors is an integer number (1110637248).

Almost surely, 255555550652 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55555550652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79965881856).

55555550652 is an abundant number, since it is smaller than the sum of its proper divisors (104376213060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55555550652 is a wasteful number, since it uses less digits than its factorization.

55555550652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67448 (or 67439 counting only the distinct ones).

The product of its (nonzero) digits is 4687500, while the sum is 48.

The spelling of 55555550652 in words is "fifty-five billion, five hundred fifty-five million, five hundred fifty thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 23 28 42 46 49 61 69 84 92 98 122 138 147 161 183 196 244 276 294 322 366 427 483 588 644 732 854 966 1127 1281 1403 1708 1932 2254 2562 2806 2989 3381 4209 4508 5124 5612 5978 6762 8418 8967 9821 11956 13524 16836 17934 19642 29463 35868 39284 58926 67343 68747 117852 134686 137494 202029 206241 269372 274988 404058 412482 471401 808116 824964 942802 1414203 1548889 1885604 2828406 3097778 3299807 4107923 4646667 5656812 6195556 6599614 8215846 9293334 9899421 10842223 12323769 13199228 16431692 18586668 19798842 21684446 24647538 28755461 32526669 39597684 43368892 49295076 57510922 65053338 75895561 86266383 94482229 115021844 130106676 151791122 172532766 188964458 201288227 227686683 283446687 303582244 345065532 377928916 402576454 455373366 566893374 603864681 661375603 805152908 910746732 1133786748 1207729362 1322751206 1984126809 2415458724 2645502412 3968253618 4629629221 7936507236 9259258442 13888887663 18518516884 27777775326 55555550652