56403942650 has 24 divisors (see below), whose sum is σ = 114448728384. Its totient is φ = 20510524400.

The previous prime is 56403942619. The next prime is 56403942667. The reversal of 56403942650 is 5624930465.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51275762 + ... + 51276861.

It is an arithmetic number, because the mean of its divisors is an integer number (4768697016).

Almost surely, 2^56403942650 is an apocalyptic number.

56403942650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56403942650 is an abundant number, since it is smaller than the sum of its proper divisors (58044785734).

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

56403942650 is a wasteful number, since it uses less digits than its factorization.

56403942650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102552646 (or 102552641 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 56403942650 in words is "fifty-six billion, four hundred three million, nine hundred forty-two thousand, six hundred fifty".