56564386 has 8 divisors (see below), whose sum is σ = 85721580. Its totient is φ = 27990528.

The previous prime is 56564381. The next prime is 56564401. The reversal of 56564386 is 68346565.

It can be written as a sum of positive squares in 2 ways, for example, as 53071225 + 3493161 = 7285^2 + 1869^2 .

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

It is a super-3 number, since 3×56564386³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (56564381) 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, 145591 + ... + 145978.

Almost surely, 2^56564386 is an apocalyptic number.

56564386 is a deficient number, since it is larger than the sum of its proper divisors (29157194).

56564386 is a wasteful number, since it uses less digits than its factorization.

56564386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291668.

The product of its digits is 518400, while the sum is 43.

The square root of 56564386 is about 7520.9298627231. The cubic root of 56564386 is about 383.8672184505.

The spelling of 56564386 in words is "fifty-six million, five hundred sixty-four thousand, three hundred eighty-six".