56565402450 has 24 divisors (see below), whose sum is σ = 140282198448. Its totient is φ = 15084107280.

The previous prime is 56565402427. The next prime is 56565402469. The reversal of 56565402450 is 5420456565.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188551192 + ... + 188551491.

It is an arithmetic number, because the mean of its divisors is an integer number (5845091602).

Almost surely, 2^56565402450 is an apocalyptic number.

56565402450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56565402450 is an abundant number, since it is smaller than the sum of its proper divisors (83716795998).

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

56565402450 is a wasteful number, since it uses less digits than its factorization.

56565402450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377102698 (or 377102693 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 42.

The spelling of 56565402450 in words is "fifty-six billion, five hundred sixty-five million, four hundred two thousand, four hundred fifty".