56823746518 has 64 divisors (see below), whose sum is σ = 108977218560. Its totient is φ = 21581683200.

The previous prime is 56823746513. The next prime is 56823746537. The reversal of 56823746518 is 81564732865.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56823746513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 943930 + ... + 1002322.

It is an arithmetic number, because the mean of its divisors is an integer number (1702769040).

Almost surely, 2^56823746518 is an apocalyptic number.

56823746518 is a deficient number, since it is larger than the sum of its proper divisors (52153472042).

56823746518 is a wasteful number, since it uses less digits than its factorization.

56823746518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58573.

The product of its digits is 9676800, while the sum is 55.

The spelling of 56823746518 in words is "fifty-six billion, eight hundred twenty-three million, seven hundred forty-six thousand, five hundred eighteen".