56632475989 has 32 divisors (see below), whose sum is σ = 63632839680. Its totient is φ = 50086708992.

The previous prime is 56632475929. The next prime is 56632476059. The reversal of 56632475989 is 98957423665.

56632475989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 56632475989 - 2²¹ = 56630378837 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 56632475989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56632475929) 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, 43329474 + ... + 43330780.

It is an arithmetic number, because the mean of its divisors is an integer number (1988526240).

Almost surely, 2^56632475989 is an apocalyptic number.

It is an amenable number.

56632475989 is a deficient number, since it is larger than the sum of its proper divisors (7000363691).

56632475989 is a wasteful number, since it uses less digits than its factorization.

56632475989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2329.

The product of its digits is 97977600, while the sum is 64.

The spelling of 56632475989 in words is "fifty-six billion, six hundred thirty-two million, four hundred seventy-five thousand, nine hundred eighty-nine".