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55807160 = 2351395179
BaseRepresentation
bin1101010011100…
…0110010111000
310220000022000212
43110320302320
5103241312120
65312050252
71245232043
oct324706270
9126008025
1055807160
1129557822
1216833988
13b73c6b6
1475a9c5a
154d756c5
hex3538cb8

55807160 has 16 divisors (see below), whose sum is σ = 125566200. Its totient is φ = 22322848.

The previous prime is 55807159. The next prime is 55807201. The reversal of 55807160 is 6170855.

55807160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×558071602 = 6228878214531200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697550 + ... + 697629.

Almost surely, 255807160 is an apocalyptic number.

It is an amenable number.

55807160 is an abundant number, since it is smaller than the sum of its proper divisors (69759040).

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

55807160 is a wasteful number, since it uses less digits than its factorization.

55807160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395190 (or 1395186 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 55807160 is about 7470.4189976199. The cubic root of 55807160 is about 382.1465771571.

The spelling of 55807160 in words is "fifty-five million, eight hundred seven thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 1395179 2790358 5580716 6975895 11161432 13951790 27903580 55807160