56897547 has 16 divisors (see below), whose sum is σ = 86887680. Its totient is φ = 32442912.

The previous prime is 56897513. The next prime is 56897573. The reversal of 56897547 is 74579865.

It is not a de Polignac number, because 56897547 - 2¹⁰ = 56896523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56897547.

It is not an unprimeable number, because it can be changed into a prime (56897597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8028 + ... + 13350.

It is an arithmetic number, because the mean of its divisors is an integer number (5430480).

Almost surely, 2^56897547 is an apocalyptic number.

56897547 is a deficient number, since it is larger than the sum of its proper divisors (29990133).

56897547 is a wasteful number, since it uses less digits than its factorization.

56897547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5842.

The product of its digits is 2116800, while the sum is 51.

The square root of 56897547 is about 7543.0462679212. The cubic root of 56897547 is about 384.6193956084.

The spelling of 56897547 in words is "fifty-six million, eight hundred ninety-seven thousand, five hundred forty-seven".