56977407 has 24 divisors (see below), whose sum is σ = 84131840. Its totient is φ = 37149840.

The previous prime is 56977397. The next prime is 56977423. The reversal of 56977407 is 70477965.

It is not a de Polignac number, because 56977407 - 2⁶ = 56977343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56977007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89982 + ... + 90612.

Almost surely, 2^56977407 is an apocalyptic number.

56977407 is a deficient number, since it is larger than the sum of its proper divisors (27154433).

56977407 is a wasteful number, since it uses less digits than its factorization.

56977407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843 (or 840 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 45.

The square root of 56977407 is about 7548.3380289968. The cubic root of 56977407 is about 384.7992589309.

The spelling of 56977407 in words is "fifty-six million, nine hundred seventy-seven thousand, four hundred seven".