52200855990 has 48 divisors (see below), whose sum is σ = 136150445808. Its totient is φ = 13876308288.

The previous prime is 52200855961. The next prime is 52200856033. The reversal of 52200855990 is 9955800225.

52200855990 is a `hidden beast` number, since 5 + 2 + 2 + 0 + 0 + 8 + 559 + 90 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 886312 + ... + 943371.

It is an arithmetic number, because the mean of its divisors is an integer number (2836467621).

Almost surely, 2^52200855990 is an apocalyptic number.

52200855990 is an abundant number, since it is smaller than the sum of its proper divisors (83949589818).

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

52200855990 is a wasteful number, since it uses less digits than its factorization.

52200855990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830013 (or 1830010 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 45.

The spelling of 52200855990 in words is "fifty-two billion, two hundred million, eight hundred fifty-five thousand, nine hundred ninety".