56420985024 has 224 divisors, whose sum is σ = 175945556160. Its totient is φ = 17668325376.

The previous prime is 56420985017. The next prime is 56420985043. The reversal of 56420985024 is 42058902465.

56420985024 is a `hidden beast` number, since 56 + 4 + 2 + 0 + 98 + 502 + 4 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19886134 + ... + 19888970.

Almost surely, 2^56420985024 is an apocalyptic number.

56420985024 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56420985024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87972778080).

56420985024 is an abundant number, since it is smaller than the sum of its proper divisors (119524571136).

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

56420985024 is a wasteful number, since it uses less digits than its factorization.

56420985024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3552 (or 3536 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 56420985024 in words is "fifty-six billion, four hundred twenty million, nine hundred eighty-five thousand, twenty-four".