56985498240 has 256 divisors, whose sum is σ = 201896841600. Its totient is φ = 13553745920.

The previous prime is 56985498217. The next prime is 56985498263. The reversal of 56985498240 is 4289458965.

It is an interprime number because it is at equal distance from previous prime (56985498217) and next prime (56985498263).

It is a super-2 number, since 2×56985498240² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1093906 + ... + 1144814.

Almost surely, 2^56985498240 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 56985498240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100948420800).

56985498240 is an abundant number, since it is smaller than the sum of its proper divisors (144911343360).

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

56985498240 is a wasteful number, since it uses less digits than its factorization.

56985498240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50995 (or 50983 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 60.

The spelling of 56985498240 in words is "fifty-six billion, nine hundred eighty-five million, four hundred ninety-eight thousand, two hundred forty".