56565634 has 4 divisors (see below), whose sum is σ = 84848454. Its totient is φ = 28282816.

The previous prime is 56565617. The next prime is 56565667. The reversal of 56565634 is 43656565.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43656565 = 5 ⋅8731313.

It can be written as a sum of positive squares in only one way, i.e., 40284409 + 16281225 = 6347^2 + 4035^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14141407 + ... + 14141410.

Almost surely, 2^56565634 is an apocalyptic number.

56565634 is a deficient number, since it is larger than the sum of its proper divisors (28282820).

56565634 is a wasteful number, since it uses less digits than its factorization.

56565634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28282819.

The product of its digits is 324000, while the sum is 40.

The square root of 56565634 is about 7521.0128307296. The cubic root of 56565634 is about 383.8700415623.

The spelling of 56565634 in words is "fifty-six million, five hundred sixty-five thousand, six hundred thirty-four".