56534387 has 18 divisors (see below), whose sum is σ = 71222868. Its totient is φ = 44723952.

The previous prime is 56534363. The next prime is 56534407. The reversal of 56534387 is 78343565.

It is not a de Polignac number, because 56534387 - 2⁶ = 56534323 is a prime.

It is a super-2 number, since 2×56534387² = 6392273826931538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56534327) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4868 + ... + 11694.

It is an arithmetic number, because the mean of its divisors is an integer number (3956826).

Almost surely, 2^56534387 is an apocalyptic number.

56534387 is a deficient number, since it is larger than the sum of its proper divisors (14688481).

56534387 is a wasteful number, since it uses less digits than its factorization.

56534387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6867 (or 6847 counting only the distinct ones).

The product of its digits is 302400, while the sum is 41.

The square root of 56534387 is about 7518.9352304698. The cubic root of 56534387 is about 383.7993449475.

The spelling of 56534387 in words is "fifty-six million, five hundred thirty-four thousand, three hundred eighty-seven".