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55916436 = 22331831811
BaseRepresentation
bin1101010101001…
…1011110010100
310220012211221010
43111103132110
5103303311221
65314252220
71246165452
oct325233624
9126184833
1055916436
1129621934
1216887070
13b77a364
1475d79d2
154d97c76
hex3553794

55916436 has 48 divisors (see below), whose sum is σ = 136378368. Its totient is φ = 17810400.

The previous prime is 55916429. The next prime is 55916447. The reversal of 55916436 is 63461955.

It is a junction number, because it is equal to n+sod(n) for n = 55916394 and 55916403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29971 + ... + 31781.

It is an arithmetic number, because the mean of its divisors is an integer number (2841216).

Almost surely, 255916436 is an apocalyptic number.

It is an amenable number.

55916436 is an abundant number, since it is smaller than the sum of its proper divisors (80461932).

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

55916436 is a wasteful number, since it uses less digits than its factorization.

55916436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932 (or 1930 counting only the distinct ones).

The product of its digits is 97200, while the sum is 39.

The square root of 55916436 is about 7477.7293344972. The cubic root of 55916436 is about 382.3958416038.

The spelling of 55916436 in words is "fifty-five million, nine hundred sixteen thousand, four hundred thirty-six".

Divisors: 1 2 3 4 6 12 31 62 83 93 124 166 186 249 332 372 498 996 1811 2573 3622 5146 5433 7244 7719 10292 10866 15438 21732 30876 56141 112282 150313 168423 224564 300626 336846 450939 601252 673692 901878 1803756 4659703 9319406 13979109 18638812 27958218 55916436