56236668 has 12 divisors (see below), whose sum is σ = 131218920. Its totient is φ = 18745552.

The previous prime is 56236667. The next prime is 56236669. The reversal of 56236668 is 86663265.

It is an interprime number because it is at equal distance from previous prime (56236667) and next prime (56236669).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56236667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2343183 + ... + 2343206.

It is an arithmetic number, because the mean of its divisors is an integer number (10934910).

Almost surely, 2^56236668 is an apocalyptic number.

It is an amenable number.

56236668 is an abundant number, since it is smaller than the sum of its proper divisors (74982252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56236668 is a wasteful number, since it uses less digits than its factorization.

56236668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4686396 (or 4686394 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The square root of 56236668 is about 7499.1111473294. Note that the first 4 decimals coincide. The cubic root of 56236668 is about 383.1244428794.

The spelling of 56236668 in words is "fifty-six million, two hundred thirty-six thousand, six hundred sixty-eight".