56497328 has 20 divisors (see below), whose sum is σ = 110965368. Its totient is φ = 27861120.

The previous prime is 56497253. The next prime is 56497333. The reversal of 56497328 is 82379465.

It is a super-2 number, since 2×56497328² = 6383896142279168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23018 + ... + 25353.

Almost surely, 2^56497328 is an apocalyptic number.

It is an amenable number.

56497328 is a deficient number, since it is larger than the sum of its proper divisors (54468040).

56497328 is a wasteful number, since it uses less digits than its factorization.

56497328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48452 (or 48446 counting only the distinct ones).

The product of its digits is 362880, while the sum is 44.

The square root of 56497328 is about 7516.4704482889. The cubic root of 56497328 is about 383.7154648547.

The spelling of 56497328 in words is "fifty-six million, four hundred ninety-seven thousand, three hundred twenty-eight".