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55160856 = 2332809947
BaseRepresentation
bin1101001001101…
…1000000011000
310211210110110200
43102123000120
5103110121411
65250142200
71236600552
oct322330030
9124713420
1055160856
1129156193
1216581960
13b57447a
14747c4d2
154c98e56
hex349b018

55160856 has 48 divisors (see below), whose sum is σ = 149736600. Its totient is φ = 18344832.

The previous prime is 55160849. The next prime is 55160891. The reversal of 55160856 is 65806155.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 55160856.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57775 + ... + 58721.

Almost surely, 255160856 is an apocalyptic number.

It is an amenable number.

55160856 is an abundant number, since it is smaller than the sum of its proper divisors (94575744).

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

55160856 is a wasteful number, since it uses less digits than its factorization.

55160856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768 (or 1761 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 55160856 is about 7427.0354785742. The cubic root of 55160856 is about 380.6656293028.

The spelling of 55160856 in words is "fifty-five million, one hundred sixty thousand, eight hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 809 947 1618 1894 2427 2841 3236 3788 4854 5682 6472 7281 7576 8523 9708 11364 14562 17046 19416 22728 29124 34092 58248 68184 766123 1532246 2298369 3064492 4596738 6128984 6895107 9193476 13790214 18386952 27580428 55160856