56357553 has 32 divisors (see below), whose sum is σ = 91146240. Its totient is φ = 30257280.

The previous prime is 56357551. The next prime is 56357557. The reversal of 56357553 is 35575365.

It is a happy number.

It is not a de Polignac number, because 56357553 - 2¹ = 56357551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56357551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54148 + ... + 55178.

It is an arithmetic number, because the mean of its divisors is an integer number (2848320).

Almost surely, 2^56357553 is an apocalyptic number.

It is an amenable number.

56357553 is a deficient number, since it is larger than the sum of its proper divisors (34788687).

56357553 is a wasteful number, since it uses less digits than its factorization.

56357553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197.

The product of its digits is 236250, while the sum is 39.

The square root of 56357553 is about 7507.1667758216. The cubic root of 56357553 is about 383.3987648023.

The spelling of 56357553 in words is "fifty-six million, three hundred fifty-seven thousand, five hundred fifty-three".