56629641 has 4 divisors (see below), whose sum is σ = 75506192. Its totient is φ = 37753092.

The previous prime is 56629627. The next prime is 56629687. The reversal of 56629641 is 14692665.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 56629641 - 2⁵ = 56629609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56629641.

It is not an unprimeable number, because it can be changed into a prime (56629541) 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, 9438271 + ... + 9438276.

It is an arithmetic number, because the mean of its divisors is an integer number (18876548).

Almost surely, 2^56629641 is an apocalyptic number.

It is an amenable number.

56629641 is a deficient number, since it is larger than the sum of its proper divisors (18876551).

56629641 is a wasteful number, since it uses less digits than its factorization.

56629641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18876550.

The product of its digits is 77760, while the sum is 39.

The square root of 56629641 is about 7525.2668391227. The cubic root of 56629641 is about 384.0147767209.

The spelling of 56629641 in words is "fifty-six million, six hundred twenty-nine thousand, six hundred forty-one".