56563128 has 48 divisors (see below), whose sum is σ = 153699000. Its totient is φ = 18792000.

The previous prime is 56563109. The next prime is 56563139. The reversal of 56563128 is 82136565.

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

It is a junction number, because it is equal to n+sod(n) for n = 56563092 and 56563101.

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, 24003 + ... + 26253.

Almost surely, 2^56563128 is an apocalyptic number.

It is an amenable number.

56563128 is an abundant number, since it is smaller than the sum of its proper divisors (97135872).

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

56563128 is a wasteful number, since it uses less digits than its factorization.

56563128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2612 (or 2605 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 56563128 is about 7520.8462289825. The cubic root of 56563128 is about 383.8643726755.

The spelling of 56563128 in words is "fifty-six million, five hundred sixty-three thousand, one hundred twenty-eight".