56941513966 has 16 divisors (see below), whose sum is σ = 86324839920. Its totient is φ = 28167004800.

The previous prime is 56941513897. The next prime is 56941513973. The reversal of 56941513966 is 66931514965.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153325 + ... + 370663.

It is an arithmetic number, because the mean of its divisors is an integer number (5395302495).

Almost surely, 2^56941513966 is an apocalyptic number.

56941513966 is a deficient number, since it is larger than the sum of its proper divisors (29383325954).

56941513966 is a wasteful number, since it uses less digits than its factorization.

56941513966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218739.

The product of its digits is 5248800, while the sum is 55.

Subtracting 56941513966 from its reverse (66931514965), we obtain a palindrome (9990000999).

The spelling of 56941513966 in words is "fifty-six billion, nine hundred forty-one million, five hundred thirteen thousand, nine hundred sixty-six".