56787275 has 12 divisors (see below), whose sum is σ = 70587000. Its totient is φ = 45319680.

The previous prime is 56787271. The next prime is 56787281. The reversal of 56787275 is 57278765.

It is a happy number.

It is not a de Polignac number, because 56787275 - 2² = 56787271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56787271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8696 + ... + 13754.

It is an arithmetic number, because the mean of its divisors is an integer number (5882250).

Almost surely, 2^56787275 is an apocalyptic number.

56787275 is a deficient number, since it is larger than the sum of its proper divisors (13799725).

56787275 is a wasteful number, since it uses less digits than its factorization.

56787275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5518 (or 5513 counting only the distinct ones).

The product of its digits is 823200, while the sum is 47.

The square root of 56787275 is about 7535.7332091841. The cubic root of 56787275 is about 384.3707605234.

The spelling of 56787275 in words is "fifty-six million, seven hundred eighty-seven thousand, two hundred seventy-five".