56156058450 has 54 divisors (see below), whose sum is σ = 150886117317. Its totient is φ = 14973608400.

The previous prime is 56156058383. The next prime is 56156058487. The reversal of 56156058450 is 5485065165.

56156058450 is a `hidden beast` number, since 5 + 6 + 1 + 5 + 60 + 584 + 5 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 55032937281 + 1123121169 = 234591^2 + 33513^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=167565.

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

It is a junction number, because it is equal to n+sod(n) for n = 56156058396 and 56156058405.

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 26 ways as a sum of consecutive naturals, for example, 5021365 + ... + 5032535.

Almost surely, 2^56156058450 is an apocalyptic number.

56156058450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56156058450 is an abundant number, since it is smaller than the sum of its proper divisors (94730058867).

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

56156058450 is an equidigital number, since it uses as much as digits as its factorization.

56156058450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22360 (or 11181 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 45.

The spelling of 56156058450 in words is "fifty-six billion, one hundred fifty-six million, fifty-eight thousand, four hundred fifty".