56629903 has 4 divisors (see below), whose sum is σ = 61778088. Its totient is φ = 51481720.

The previous prime is 56629889. The next prime is 56629913. The reversal of 56629903 is 30992665.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56629903 - 2⁵ = 56629871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56629913) 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, 2574076 + ... + 2574097.

It is an arithmetic number, because the mean of its divisors is an integer number (15444522).

Almost surely, 2^56629903 is an apocalyptic number.

56629903 is a deficient number, since it is larger than the sum of its proper divisors (5148185).

56629903 is a wasteful number, since it uses less digits than its factorization.

56629903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5148184.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 56629903 is about 7525.2842471232. The cubic root of 56629903 is about 384.0153689414.

The spelling of 56629903 in words is "fifty-six million, six hundred twenty-nine thousand, nine hundred three".