56565001 has 4 divisors (see below), whose sum is σ = 59892372. Its totient is φ = 53237632.

The previous prime is 56564983. The next prime is 56565007. The reversal of 56565001 is 10056565.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24245776 + 32319225 = 4924^2 + 5685^2 .

It is a cyclic number.

It is not a de Polignac number, because 56565001 - 2⁵ = 56564969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56565007) 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, 1663660 + ... + 1663693.

It is an arithmetic number, because the mean of its divisors is an integer number (14973093).

Almost surely, 2^56565001 is an apocalyptic number.

It is an amenable number.

56565001 is a deficient number, since it is larger than the sum of its proper divisors (3327371).

56565001 is a wasteful number, since it uses less digits than its factorization.

56565001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3327370.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 56565001 is about 7520.9707485138. The cubic root of 56565001 is about 383.8686096526.

The spelling of 56565001 in words is "fifty-six million, five hundred sixty-five thousand, one".