52555550220 has 48 divisors (see below), whose sum is σ = 163506157920. Its totient is φ = 14014813248.

The previous prime is 52555550209. The next prime is 52555550221. The reversal of 52555550220 is 2205555525.

52555550220 is a `hidden beast` number, since 52 + 5 + 55 + 550 + 2 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (52555550221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48662007 + ... + 48663086.

It is an arithmetic number, because the mean of its divisors is an integer number (3406378290).

Almost surely, 2^52555550220 is an apocalyptic number.

It is an amenable number.

52555550220 is an abundant number, since it is smaller than the sum of its proper divisors (110950607700).

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

52555550220 is a wasteful number, since it uses less digits than its factorization.

52555550220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97325111 (or 97325103 counting only the distinct ones).

The product of its (nonzero) digits is 125000, while the sum is 36.

The spelling of 52555550220 in words is "fifty-two billion, five hundred fifty-five million, five hundred fifty thousand, two hundred twenty".