56897055 has 24 divisors (see below), whose sum is σ = 102911328. Its totient is φ = 29025216.

The previous prime is 56897051. The next prime is 56897089. The reversal of 56897055 is 55079865.

It is not a de Polignac number, because 56897055 - 2² = 56897051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 56897055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56897051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26452 + ... + 28521.

It is an arithmetic number, because the mean of its divisors is an integer number (4287972).

Almost surely, 2^56897055 is an apocalyptic number.

56897055 is a deficient number, since it is larger than the sum of its proper divisors (46014273).

56897055 is a wasteful number, since it uses less digits than its factorization.

56897055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55007 (or 55004 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 45.

The square root of 56897055 is about 7543.0136550321. The cubic root of 56897055 is about 384.6182869884.

The spelling of 56897055 in words is "fifty-six million, eight hundred ninety-seven thousand, fifty-five".