56564810 has 8 divisors (see below), whose sum is σ = 101816676. Its totient is φ = 22625920.

The previous prime is 56564803. The next prime is 56564813. The reversal of 56564810 is 1846565.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 46936201 + 9628609 = 6851^2 + 3103^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×56564810² = 6399155460672200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56564813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2828231 + ... + 2828250.

Almost surely, 2^56564810 is an apocalyptic number.

56564810 is a deficient number, since it is larger than the sum of its proper divisors (45251866).

56564810 is a wasteful number, since it uses less digits than its factorization.

56564810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5656488.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 56564810 is about 7520.9580506741. The cubic root of 56564810 is about 383.8681775893.

The spelling of 56564810 in words is "fifty-six million, five hundred sixty-four thousand, eight hundred ten".