56477897 has 8 divisors (see below), whose sum is σ = 64934016. Its totient is φ = 48118752.

The previous prime is 56477891. The next prime is 56477921. The reversal of 56477897 is 79877465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56477897 - 2⁴ = 56477881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56477891) 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, 22988 + ... + 25325.

It is an arithmetic number, because the mean of its divisors is an integer number (8116752).

Almost surely, 2^56477897 is an apocalyptic number.

It is an amenable number.

56477897 is a deficient number, since it is larger than the sum of its proper divisors (8456119).

56477897 is a wasteful number, since it uses less digits than its factorization.

56477897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48487.

The product of its digits is 2963520, while the sum is 53.

The square root of 56477897 is about 7515.1777756750. The cubic root of 56477897 is about 383.6714696759.

The spelling of 56477897 in words is "fifty-six million, four hundred seventy-seven thousand, eight hundred ninety-seven".