56564038 has 16 divisors (see below), whose sum is σ = 90209376. Its totient is φ = 26540800.

The previous prime is 56564033. The next prime is 56564041. The reversal of 56564038 is 83046565.

It is a junction number, because it is equal to n+sod(n) for n = 56563988 and 56564006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56564033) 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, 9163 + ... + 14038.

It is an arithmetic number, because the mean of its divisors is an integer number (5638086).

Almost surely, 2^56564038 is an apocalyptic number.

56564038 is a deficient number, since it is larger than the sum of its proper divisors (33645338).

56564038 is a wasteful number, since it uses less digits than its factorization.

56564038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23279.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 56564038 is about 7520.9067272504. The cubic root of 56564038 is about 383.8664312292.

The spelling of 56564038 in words is "fifty-six million, five hundred sixty-four thousand, thirty-eight".