56654457321 has 32 divisors (see below), whose sum is σ = 95111341056. Its totient is φ = 29139480000.

The previous prime is 56654457281. The next prime is 56654457331. The reversal of 56654457321 is 12375445665.

It is not a de Polignac number, because 56654457321 - 2¹⁰ = 56654456297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56654457331) 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, 1190815 + ... + 1237476.

It is an arithmetic number, because the mean of its divisors is an integer number (2972229408).

Almost surely, 2^56654457321 is an apocalyptic number.

It is an amenable number.

56654457321 is a deficient number, since it is larger than the sum of its proper divisors (38456883735).

56654457321 is a wasteful number, since it uses less digits than its factorization.

56654457321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2428413.

The product of its digits is 3024000, while the sum is 48.

The spelling of 56654457321 in words is "fifty-six billion, six hundred fifty-four million, four hundred fifty-seven thousand, three hundred twenty-one".