56847972506550 has 48 divisors (see below), whose sum is σ = 140994922903632. Its totient is φ = 15158174272000.

The previous prime is 56847972506519. The next prime is 56847972506557. The reversal of 56847972506550 is 5560527974865.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56847972506557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14287239 + ... + 17827538.

It is an arithmetic number, because the mean of its divisors is an integer number (2937394227159).

Almost surely, 2^{56847972506550} is an apocalyptic number.

56847972506550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56847972506550 is an abundant number, since it is smaller than the sum of its proper divisors (84146950397082).

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

56847972506550 is a wasteful number, since it uses less digits than its factorization.

56847972506550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32126593 (or 32126588 counting only the distinct ones).

The product of its (nonzero) digits is 635040000, while the sum is 69.

The spelling of 56847972506550 in words is "fifty-six trillion, eight hundred forty-seven billion, nine hundred seventy-two million, five hundred six thousand, five hundred fifty".