56457764 has 24 divisors (see below), whose sum is σ = 108265248. Its totient is φ = 25547840.

The previous prime is 56457743. The next prime is 56457781. The reversal of 56457764 is 46775465.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7499 + ... + 13005.

It is an arithmetic number, because the mean of its divisors is an integer number (4511052).

Almost surely, 2^56457764 is an apocalyptic number.

It is an amenable number.

56457764 is a deficient number, since it is larger than the sum of its proper divisors (51807484).

56457764 is a wasteful number, since it uses less digits than its factorization.

56457764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5755 (or 5753 counting only the distinct ones).

The product of its digits is 705600, while the sum is 44.

The square root of 56457764 is about 7513.8381670089. The cubic root of 56457764 is about 383.6258744009.

The spelling of 56457764 in words is "fifty-six million, four hundred fifty-seven thousand, seven hundred sixty-four".