56625901 has 2 divisors, whose sum is σ = 56625902. Its totient is φ = 56625900.

The previous prime is 56625853. The next prime is 56625911. The reversal of 56625901 is 10952665.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46854025 + 9771876 = 6845^2 + 3126^2 .

It is a cyclic number.

It is not a de Polignac number, because 56625901 - 2¹³ = 56617709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56625911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28312950 + 28312951.

It is an arithmetic number, because the mean of its divisors is an integer number (28312951).

Almost surely, 2^56625901 is an apocalyptic number.

It is an amenable number.

56625901 is a deficient number, since it is larger than the sum of its proper divisors (1).

56625901 is an equidigital number, since it uses as much as digits as its factorization.

56625901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 56625901 is about 7525.0183388481. The cubic root of 56625901 is about 384.0063226860.

The spelling of 56625901 in words is "fifty-six million, six hundred twenty-five thousand, nine hundred one".