56817530506500 has 48 divisors (see below), whose sum is σ = 165452648839296. Its totient is φ = 15151341468000.

The previous prime is 56817530506403. The next prime is 56817530506519. The reversal of 56817530506500 is 560503571865.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18939175336 + ... + 18939178335.

It is an arithmetic number, because the mean of its divisors is an integer number (3446930184152).

Almost surely, 2^{56817530506500} is an apocalyptic number.

56817530506500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56817530506500 is an abundant number, since it is smaller than the sum of its proper divisors (108635118332796).

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

56817530506500 is a wasteful number, since it uses less digits than its factorization.

56817530506500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37878353693 (or 37878353681 counting only the distinct ones).

The product of its (nonzero) digits is 3780000, while the sum is 51.

The spelling of 56817530506500 in words is "fifty-six trillion, eight hundred seventeen billion, five hundred thirty million, five hundred six thousand, five hundred".