56156072 has 16 divisors (see below), whose sum is σ = 120334560. Its totient is φ = 24066864.

The previous prime is 56156069. The next prime is 56156081. The reversal of 56156072 is 27065165.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501338 + ... + 501449.

It is an arithmetic number, because the mean of its divisors is an integer number (7520910).

Almost surely, 2^56156072 is an apocalyptic number.

It is an amenable number.

56156072 is an abundant number, since it is smaller than the sum of its proper divisors (64178488).

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

56156072 is a wasteful number, since it uses less digits than its factorization.

56156072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002800 (or 1002796 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 56156072 is about 7493.7355170836. The cubic root of 56156072 is about 382.9413294909.

The spelling of 56156072 in words is "fifty-six million, one hundred fifty-six thousand, seventy-two".