56407772 has 6 divisors (see below), whose sum is σ = 98713608. Its totient is φ = 28203884.

The previous prime is 56407739. The next prime is 56407781. The reversal of 56407772 is 27770465.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7050968 + ... + 7050975.

It is an arithmetic number, because the mean of its divisors is an integer number (16452268).

Almost surely, 2^56407772 is an apocalyptic number.

It is an amenable number.

56407772 is a deficient number, since it is larger than the sum of its proper divisors (42305836).

56407772 is a wasteful number, since it uses less digits than its factorization.

56407772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14101947 (or 14101945 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 56407772 is about 7510.5107682501. The cubic root of 56407772 is about 383.5126104506.

The spelling of 56407772 in words is "fifty-six million, four hundred seven thousand, seven hundred seventy-two".