56776734 has 32 divisors (see below), whose sum is σ = 144195840. Its totient is φ = 16221816.

The previous prime is 56776723. The next prime is 56776757. The reversal of 56776734 is 43767765.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56776734.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74724 + ... + 75479.

It is an arithmetic number, because the mean of its divisors is an integer number (4506120).

Almost surely, 2^56776734 is an apocalyptic number.

56776734 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

56776734 is an abundant number, since it is smaller than the sum of its proper divisors (87419106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56776734 is a wasteful number, since it uses less digits than its factorization.

56776734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150221 (or 150215 counting only the distinct ones).

The product of its digits is 740880, while the sum is 45.

The square root of 56776734 is about 7535.0337756376. The cubic root of 56776734 is about 384.3469764221.

The spelling of 56776734 in words is "fifty-six million, seven hundred seventy-six thousand, seven hundred thirty-four".