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55725356316 = 223713938912269
BaseRepresentation
bin110011111001011111…
…010111010100011100
312022211121002101222210
4303321133113110130
51403111142400231
641333323440420
74011632466450
oct637137272434
9168747071883
1055725356316
11216a6568a93
12a972386110
135340c78126
1429a8c8a660
1516b232ba46
hexcf97d751c

55725356316 has 96 divisors (see below), whose sum is σ = 150067008000. Its totient is φ = 15765067008.

The previous prime is 55725356293. The next prime is 55725356327. The reversal of 55725356316 is 61365352755.

It is a super-2 number, since 2×557253563162 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4535830 + ... + 4548098.

It is an arithmetic number, because the mean of its divisors is an integer number (1563198000).

Almost surely, 255725356316 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 55725356316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75033504000).

55725356316 is an abundant number, since it is smaller than the sum of its proper divisors (94341651684).

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

55725356316 is a wasteful number, since it uses less digits than its factorization.

55725356316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12811 (or 12809 counting only the distinct ones).

The product of its digits is 2835000, while the sum is 48.

The spelling of 55725356316 in words is "fifty-five billion, seven hundred twenty-five million, three hundred fifty-six thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 139 278 389 417 556 778 834 973 1167 1556 1668 1946 2334 2723 2919 3892 4668 5446 5838 8169 10892 11676 12269 16338 24538 32676 36807 49076 54071 73614 85883 108142 147228 162213 171766 216284 257649 324426 343532 378497 515298 648852 756994 1030596 1135491 1513988 1705391 2270982 3410782 4541964 4772641 5116173 6821564 9545282 10232346 11937737 14317923 19090564 20464692 23875474 28635846 33408487 35813211 47750948 57271692 66816974 71626422 100225461 133633948 143252844 200450922 400901844 663397099 1326794198 1990191297 2653588396 3980382594 4643779693 7960765188 9287559386 13931339079 18575118772 27862678158 55725356316