56515165062500 has 42 divisors (see below), whose sum is σ = 123625341286314. Its totient is φ = 22606066000000.

The previous prime is 56515165062491. The next prime is 56515165062527. The reversal of 56515165062500 is 526056151565.

It is a happy number.

56515165062500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 7 ways, for example, as 55480420396324 + 1034744666176 = 7448518^2 + 1017224^2 .

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 13 ways as a sum of consecutive naturals, for example, 452058821 + ... + 452183820.

It is an arithmetic number, because the mean of its divisors is an integer number (2943460506817).

Almost surely, 2^{56515165062500} is an apocalyptic number.

56515165062500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56515165062500 is an abundant number, since it is smaller than the sum of its proper divisors (67110176223814).

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

56515165062500 is an frugal number, since it uses more digits than its factorization.

56515165062500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904242675 (or 904242648 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 47.

The spelling of 56515165062500 in words is "fifty-six trillion, five hundred fifteen billion, one hundred sixty-five million, sixty-two thousand, five hundred".