56625761 has 4 divisors (see below), whose sum is σ = 56646192. Its totient is φ = 56605332.

The previous prime is 56625749. The next prime is 56625817. The reversal of 56625761 is 16752665.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56625761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56625731) 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, 5255 + ... + 11868.

It is an arithmetic number, because the mean of its divisors is an integer number (14161548).

Almost surely, 2^56625761 is an apocalyptic number.

It is an amenable number.

56625761 is a deficient number, since it is larger than the sum of its proper divisors (20431).

56625761 is a wasteful number, since it uses less digits than its factorization.

56625761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20430.

The product of its digits is 75600, while the sum is 38.

The square root of 56625761 is about 7525.0090365394. The cubic root of 56625761 is about 384.0060062175.

The spelling of 56625761 in words is "fifty-six million, six hundred twenty-five thousand, seven hundred sixty-one".