56051556500 has 24 divisors (see below), whose sum is σ = 122416600488. Its totient is φ = 22420622400.

The previous prime is 56051556481. The next prime is 56051556541. The reversal of 56051556500 is 565515065.

It can be written as a sum of positive squares in 4 ways, for example, as 597900304 + 55453656196 = 24452^2 + 235486^2 .

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 56051057 + ... + 56052056.

It is an arithmetic number, because the mean of its divisors is an integer number (5100691687).

Almost surely, 2^56051556500 is an apocalyptic number.

56051556500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56051556500 is an abundant number, since it is smaller than the sum of its proper divisors (66365043988).

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

56051556500 is a wasteful number, since it uses less digits than its factorization.

56051556500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112103132 (or 112103120 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 56051556500 in words is "fifty-six billion, fifty-one million, five hundred fifty-six thousand, five hundred".