56776040 has 32 divisors (see below), whose sum is σ = 129071880. Its totient is φ = 22474752.

The previous prime is 56775989. The next prime is 56776043. The reversal of 56776040 is 4067765.

It can be written as a sum of positive squares in 4 ways, for example, as 24581764 + 32194276 = 4958^2 + 5674^2 .

It is not an unprimeable number, because it can be changed into a prime (56776043) 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, 3437 + ... + 11196.

Almost surely, 2^56776040 is an apocalyptic number.

It is an amenable number.

56776040 is an abundant number, since it is smaller than the sum of its proper divisors (72295840).

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

56776040 is a wasteful number, since it uses less digits than its factorization.

56776040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14741 (or 14737 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 56776040 is about 7534.9877239449. The cubic root of 56776040 is about 384.3454104175.

The spelling of 56776040 in words is "fifty-six million, seven hundred seventy-six thousand, forty".