56632613 has 4 divisors (see below), whose sum is σ = 56648160. Its totient is φ = 56617068.

The previous prime is 56632561. The next prime is 56632633. The reversal of 56632613 is 31623665.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 56632613 - 2¹⁸ = 56370469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56632613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56632633) 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, 968 + ... + 10686.

It is an arithmetic number, because the mean of its divisors is an integer number (14162040).

Almost surely, 2^56632613 is an apocalyptic number.

It is an amenable number.

56632613 is a deficient number, since it is larger than the sum of its proper divisors (15547).

56632613 is an equidigital number, since it uses as much as digits as its factorization.

56632613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15546.

The product of its digits is 19440, while the sum is 32.

The square root of 56632613 is about 7525.4643046127. The cubic root of 56632613 is about 384.0214944746.

The spelling of 56632613 in words is "fifty-six million, six hundred thirty-two thousand, six hundred thirteen".