52210221516 has 60 divisors (see below), whose sum is σ = 140176724688. Its totient is φ = 16933040928.

The previous prime is 52210221457. The next prime is 52210221523. The reversal of 52210221516 is 61512201225.

52210221516 is a `hidden beast` number, since 5 + 22 + 102 + 21 + 516 = 666.

52210221516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 52210221516.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2165616 + ... + 2189591.

Almost surely, 2^52210221516 is an apocalyptic number.

It is an amenable number.

52210221516 is an abundant number, since it is smaller than the sum of its proper divisors (87966503172).

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

52210221516 is a wasteful number, since it uses less digits than its factorization.

52210221516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4355260 (or 4355249 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The spelling of 52210221516 in words is "fifty-two billion, two hundred ten million, two hundred twenty-one thousand, five hundred sixteen".