56711775 has 24 divisors (see below), whose sum is σ = 94359040. Its totient is φ = 30054240.

The previous prime is 56711773. The next prime is 56711801. The reversal of 56711775 is 57711765.

It is not a de Polignac number, because 56711775 - 2¹ = 56711773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56711771) 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, 9906 + ... + 14544.

Almost surely, 2^56711775 is an apocalyptic number.

56711775 is a deficient number, since it is larger than the sum of its proper divisors (37647265).

56711775 is a wasteful number, since it uses less digits than its factorization.

56711775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4815 (or 4810 counting only the distinct ones).

The product of its digits is 51450, while the sum is 39.

The square root of 56711775 is about 7530.7220769326. The cubic root of 56711775 is about 384.2003416937.

The spelling of 56711775 in words is "fifty-six million, seven hundred eleven thousand, seven hundred seventy-five".