56053640 has 32 divisors (see below), whose sum is σ = 126610560. Its totient is φ = 22334400.

The previous prime is 56053637. The next prime is 56053643. The reversal of 56053640 is 4635065.

It is an interprime number because it is at equal distance from previous prime (56053637) and next prime (56053643).

It is not an unprimeable number, because it can be changed into a prime (56053643) 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, 8255 + ... + 13425.

It is an arithmetic number, because the mean of its divisors is an integer number (3956580).

Almost surely, 2^56053640 is an apocalyptic number.

It is an amenable number.

56053640 is an abundant number, since it is smaller than the sum of its proper divisors (70556920).

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

56053640 is a wasteful number, since it uses less digits than its factorization.

56053640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5453 (or 5449 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 56053640 is about 7486.8978889791. The cubic root of 56053640 is about 382.7083518929.

The spelling of 56053640 in words is "fifty-six million, fifty-three thousand, six hundred forty".