56897128 has 32 divisors (see below), whose sum is σ = 109296000. Its totient is φ = 27760320.

The previous prime is 56897123. The next prime is 56897167. The reversal of 56897128 is 82179865.

It is not an unprimeable number, because it can be changed into a prime (56897123) 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, 61453 + ... + 62371.

It is an arithmetic number, because the mean of its divisors is an integer number (3415500).

Almost surely, 2^56897128 is an apocalyptic number.

It is an amenable number.

56897128 is a deficient number, since it is larger than the sum of its proper divisors (52398872).

56897128 is a wasteful number, since it uses less digits than its factorization.

56897128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105 (or 1101 counting only the distinct ones).

The product of its digits is 241920, while the sum is 46.

The square root of 56897128 is about 7543.0184939452. The cubic root of 56897128 is about 384.6184514791.

The spelling of 56897128 in words is "fifty-six million, eight hundred ninety-seven thousand, one hundred twenty-eight".