56977263 has 30 divisors (see below), whose sum is σ = 97581176. Its totient is φ = 32455728.

The previous prime is 56977253. The next prime is 56977307. The reversal of 56977263 is 36277965.

It is not a de Polignac number, because 56977263 - 2⁴ = 56977247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56977213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 179581 + ... + 179897.

Almost surely, 2^56977263 is an apocalyptic number.

56977263 is a deficient number, since it is larger than the sum of its proper divisors (40603913).

56977263 is an frugal number, since it uses more digits than its factorization.

56977263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653 (or 327 counting only the distinct ones).

The product of its digits is 476280, while the sum is 45.

The square root of 56977263 is about 7548.3284904673. The cubic root of 56977263 is about 384.7989347606.

The spelling of 56977263 in words is "fifty-six million, nine hundred seventy-seven thousand, two hundred sixty-three".