56372538 has 16 divisors (see below), whose sum is σ = 112853376. Its totient is φ = 18772800.

The previous prime is 56372531. The next prime is 56372543. The reversal of 56372538 is 83527365.

It is a super-2 number, since 2×56372538² = 6355726081122888, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56372496 and 56372505.

It is not an unprimeable number, because it can be changed into a prime (56372531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3295 + ... + 11117.

It is an arithmetic number, because the mean of its divisors is an integer number (7053336).

Almost surely, 2^56372538 is an apocalyptic number.

56372538 is an abundant number, since it is smaller than the sum of its proper divisors (56480838).

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

56372538 is a wasteful number, since it uses less digits than its factorization.

56372538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9029.

The product of its digits is 151200, while the sum is 39.

The square root of 56372538 is about 7508.1647557842. The cubic root of 56372538 is about 383.4327426281.

The spelling of 56372538 in words is "fifty-six million, three hundred seventy-two thousand, five hundred thirty-eight".