56156860 has 24 divisors (see below), whose sum is σ = 118863360. Its totient is φ = 22284864.

The previous prime is 56156851. The next prime is 56156873. The reversal of 56156860 is 6865165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8515 + ... + 13594.

It is an arithmetic number, because the mean of its divisors is an integer number (4952640).

Almost surely, 2^56156860 is an apocalyptic number.

It is an amenable number.

56156860 is an abundant number, since it is smaller than the sum of its proper divisors (62706500).

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

56156860 is a wasteful number, since it uses less digits than its factorization.

56156860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22245 (or 22243 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 56156860 is about 7493.7880941484. The cubic root of 56156860 is about 382.9431206677.

The spelling of 56156860 in words is "fifty-six million, one hundred fifty-six thousand, eight hundred sixty".