56608901 has 2 divisors, whose sum is σ = 56608902. Its totient is φ = 56608900.

The previous prime is 56608897. The next prime is 56608913. The reversal of 56608901 is 10980665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55860676 + 748225 = 7474^2 + 865^2 .

It is a cyclic number.

It is not a de Polignac number, because 56608901 - 2² = 56608897 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56608921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28304450 + 28304451.

It is an arithmetic number, because the mean of its divisors is an integer number (28304451).

Almost surely, 2^56608901 is an apocalyptic number.

It is an amenable number.

56608901 is a deficient number, since it is larger than the sum of its proper divisors (1).

56608901 is an equidigital number, since it uses as much as digits as its factorization.

56608901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 56608901 is about 7523.8886887035. Note that the first 3 decimals coincide. The cubic root of 56608901 is about 383.9678905624.

The spelling of 56608901 in words is "fifty-six million, six hundred eight thousand, nine hundred one".