56977912 has 16 divisors (see below), whose sum is σ = 109107360. Its totient is φ = 27882624.

The previous prime is 56977901. The next prime is 56977913. The reversal of 56977912 is 21977965.

It is a happy number.

It is a super-3 number, since 3×56977912³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56977913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75393 + ... + 76144.

It is an arithmetic number, because the mean of its divisors is an integer number (6819210).

Almost surely, 2^56977912 is an apocalyptic number.

It is an amenable number.

56977912 is a deficient number, since it is larger than the sum of its proper divisors (52129448).

56977912 is a wasteful number, since it uses less digits than its factorization.

56977912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151590 (or 151586 counting only the distinct ones).

The product of its digits is 238140, while the sum is 46.

The square root of 56977912 is about 7548.3714799949. The cubic root of 56977912 is about 384.8003957736.

The spelling of 56977912 in words is "fifty-six million, nine hundred seventy-seven thousand, nine hundred twelve".