56242667520 has 680 divisors, whose sum is σ = 218481725616. Its totient is φ = 13759414272.

The previous prime is 56242667513. The next prime is 56242667531. The reversal of 56242667520 is 2576624265.

56242667520 is a `hidden beast` number, since 5 + 62 + 4 + 2 + 6 + 67 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 345046959 + ... + 345047121.

Almost surely, 2^56242667520 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 56242667520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109240862808).

56242667520 is an abundant number, since it is smaller than the sum of its proper divisors (162239058096).

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

56242667520 is an equidigital number, since it uses as much as digits as its factorization.

56242667520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 56242667520 in words is "fifty-six billion, two hundred forty-two million, six hundred sixty-seven thousand, five hundred twenty".