56625089 has 4 divisors (see below), whose sum is σ = 56912724. Its totient is φ = 56337456.

The previous prime is 56625077. The next prime is 56625097. The reversal of 56625089 is 98052665.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98052665 = 5 ⋅19610533.

It can be written as a sum of positive squares in 2 ways, for example, as 54169600 + 2455489 = 7360^2 + 1567^2 .

It is a cyclic number.

It is not a de Polignac number, because 56625089 - 2⁸ = 56624833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56625689) 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, 143522 + ... + 143915.

It is an arithmetic number, because the mean of its divisors is an integer number (14228181).

Almost surely, 2^56625089 is an apocalyptic number.

It is an amenable number.

56625089 is a deficient number, since it is larger than the sum of its proper divisors (287635).

56625089 is a wasteful number, since it uses less digits than its factorization.

56625089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287634.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 56625089 is about 7524.9643852978. The cubic root of 56625089 is about 384.0044871618.

The spelling of 56625089 in words is "fifty-six million, six hundred twenty-five thousand, eighty-nine".