56489963424 has 24 divisors (see below), whose sum is σ = 148286154240. Its totient is φ = 18829987776.

The previous prime is 56489963407. The next prime is 56489963447. The reversal of 56489963424 is 42436998465.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×56489963424² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294218464 + ... + 294218655.

It is an arithmetic number, because the mean of its divisors is an integer number (6178589760).

Almost surely, 2^56489963424 is an apocalyptic number.

It is an amenable number.

56489963424 is an abundant number, since it is smaller than the sum of its proper divisors (91796190816).

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

56489963424 is a wasteful number, since it uses less digits than its factorization.

56489963424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588437132 (or 588437124 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 60.

The spelling of 56489963424 in words is "fifty-six billion, four hundred eighty-nine million, nine hundred sixty-three thousand, four hundred twenty-four".