56553972 has 48 divisors (see below), whose sum is σ = 135717120. Its totient is φ = 18320512.

The previous prime is 56553961. The next prime is 56553977. The reversal of 56553972 is 27935565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56553977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110854 + ... + 111362.

It is an arithmetic number, because the mean of its divisors is an integer number (2827440).

Almost surely, 2^56553972 is an apocalyptic number.

It is an amenable number.

56553972 is an abundant number, since it is smaller than the sum of its proper divisors (79163148).

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

56553972 is a wasteful number, since it uses less digits than its factorization.

56553972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760 (or 758 counting only the distinct ones).

The product of its digits is 283500, while the sum is 42.

The square root of 56553972 is about 7520.2374962497. The cubic root of 56553972 is about 383.8436592297.

The spelling of 56553972 in words is "fifty-six million, five hundred fifty-three thousand, nine hundred seventy-two".