56923659520 has 864 divisors, whose sum is σ = 189758419200. Its totient is φ = 15882780672.

The previous prime is 56923659517. The next prime is 56923659563. The reversal of 56923659520 is 2595632965.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 639591636 + ... + 639591724.

It is an arithmetic number, because the mean of its divisors is an integer number (219627800).

Almost surely, 2^56923659520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56923659520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94879209600).

56923659520 is an abundant number, since it is smaller than the sum of its proper divisors (132834759680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56923659520 is a wasteful number, since it uses less digits than its factorization.

56923659520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 4374000, while the sum is 52.

The spelling of 56923659520 in words is "fifty-six billion, nine hundred twenty-three million, six hundred fifty-nine thousand, five hundred twenty".