56511472 has 20 divisors (see below), whose sum is σ = 115254280. Its totient is φ = 26768448.

The previous prime is 56511467. The next prime is 56511487. The reversal of 56511472 is 27411565.

It is a congruent 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, 92643 + ... + 93250.

It is an arithmetic number, because the mean of its divisors is an integer number (5762714).

Almost surely, 2^56511472 is an apocalyptic number.

It is an amenable number.

56511472 is an abundant number, since it is smaller than the sum of its proper divisors (58742808).

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

56511472 is a wasteful number, since it uses less digits than its factorization.

56511472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185920 (or 185914 counting only the distinct ones).

The product of its digits is 8400, while the sum is 31.

The square root of 56511472 is about 7517.4112565430. The cubic root of 56511472 is about 383.7474829983.

The spelling of 56511472 in words is "fifty-six million, five hundred eleven thousand, four hundred seventy-two".