56165506000 has 80 divisors (see below), whose sum is σ = 138034857168. Its totient is φ = 22097856000.

The previous prime is 56165505961. The next prime is 56165506039. The reversal of 56165506000 is 60556165.

It is an interprime number because it is at equal distance from previous prime (56165505961) and next prime (56165506039).

It can be written as a sum of positive squares in 8 ways, for example, as 39480100416 + 16685405584 = 198696^2 + 129172^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 108187 + ... + 352186.

Almost surely, 2^56165506000 is an apocalyptic number.

56165506000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56165506000 is an abundant number, since it is smaller than the sum of its proper divisors (81869351168).

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

56165506000 is a wasteful number, since it uses less digits than its factorization.

56165506000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460457 (or 460441 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 56165506000 in words is "fifty-six billion, one hundred sixty-five million, five hundred six thousand".