56905659 has 10 divisors (see below), whose sum is σ = 85007340. Its totient is φ = 37937052.

The previous prime is 56905637. The next prime is 56905669. The reversal of 56905659 is 95650965.

It is not a de Polignac number, because 56905659 - 2¹¹ = 56903611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56905669) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 351189 + ... + 351350.

It is an arithmetic number, because the mean of its divisors is an integer number (8500734).

Almost surely, 2^56905659 is an apocalyptic number.

56905659 is a deficient number, since it is larger than the sum of its proper divisors (28101681).

56905659 is an equidigital number, since it uses as much as digits as its factorization.

56905659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702551 (or 702542 counting only the distinct ones).

The product of its (nonzero) digits is 364500, while the sum is 45.

The square root of 56905659 is about 7543.5839625472. The cubic root of 56905659 is about 384.6376733986.

The spelling of 56905659 in words is "fifty-six million, nine hundred five thousand, six hundred fifty-nine".