56978774 has 16 divisors (see below), whose sum is σ = 89344512. Its totient is φ = 27201768.

The previous prime is 56978771. The next prime is 56978783. The reversal of 56978774 is 47787965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56978771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50177 + ... + 51299.

It is an arithmetic number, because the mean of its divisors is an integer number (5584032).

Almost surely, 2^56978774 is an apocalyptic number.

56978774 is a deficient number, since it is larger than the sum of its proper divisors (32365738).

56978774 is a wasteful number, since it uses less digits than its factorization.

56978774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251.

The product of its digits is 2963520, while the sum is 53.

The square root of 56978774 is about 7548.4285781876. The cubic root of 56978774 is about 384.8023362698.

The spelling of 56978774 in words is "fifty-six million, nine hundred seventy-eight thousand, seven hundred seventy-four".