52777712220 has 48 divisors (see below), whose sum is σ = 154202711040. Its totient is φ = 13462140736.

The previous prime is 52777712201. The next prime is 52777712231. The reversal of 52777712220 is 2221777725.

It is a congruent number.

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, 19120980 + ... + 19123739.

It is an arithmetic number, because the mean of its divisors is an integer number (3212556480).

Almost surely, 2^52777712220 is an apocalyptic number.

It is an amenable number.

52777712220 is an abundant number, since it is smaller than the sum of its proper divisors (101424998820).

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

52777712220 is a wasteful number, since it uses less digits than its factorization.

52777712220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38244754 (or 38244752 counting only the distinct ones).

The product of its (nonzero) digits is 192080, while the sum is 42.

The spelling of 52777712220 in words is "fifty-two billion, seven hundred seventy-seven million, seven hundred twelve thousand, two hundred twenty".