56743992 has 48 divisors (see below), whose sum is σ = 154210680. Its totient is φ = 18849600.

The previous prime is 56743987. The next prime is 56744021. The reversal of 56743992 is 29934765.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22642 + ... + 25022.

Almost surely, 2^56743992 is an apocalyptic number.

It is an amenable number.

56743992 is an abundant number, since it is smaller than the sum of its proper divisors (97466688).

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

56743992 is a wasteful number, since it uses less digits than its factorization.

56743992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2724 (or 2717 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 56743992 is about 7532.8608111394. The cubic root of 56743992 is about 384.2730804931.

The spelling of 56743992 in words is "fifty-six million, seven hundred forty-three thousand, nine hundred ninety-two".