56904775 has 24 divisors (see below), whose sum is σ = 73080144. Its totient is φ = 43929600.

The previous prime is 56904773. The next prime is 56904787. The reversal of 56904775 is 57740965.

It is not a de Polignac number, because 56904775 - 2¹ = 56904773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56904773) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88455 + ... + 89095.

It is an arithmetic number, because the mean of its divisors is an integer number (3045006).

Almost surely, 2^56904775 is an apocalyptic number.

56904775 is a deficient number, since it is larger than the sum of its proper divisors (16175369).

56904775 is a wasteful number, since it uses less digits than its factorization.

56904775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771 (or 766 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 43.

The square root of 56904775 is about 7543.5253694808. The cubic root of 56904775 is about 384.6356816724.

The spelling of 56904775 in words is "fifty-six million, nine hundred four thousand, seven hundred seventy-five".