52542523221516 has 36 divisors (see below), whose sum is σ = 134416013228952. Its totient is φ = 17303160256704.

The previous prime is 52542523221511. The next prime is 52542523221569. The reversal of 52542523221516 is 61512232524525.

52542523221516 is a `hidden beast` number, since 5 + 2 + 5 + 425 + 2 + 3 + 2 + 215 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (52542523221511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8792253241 + ... + 8792259216.

Almost surely, 2^{52542523221516} is an apocalyptic number.

It is an amenable number.

52542523221516 is an abundant number, since it is smaller than the sum of its proper divisors (81873490007436).

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

52542523221516 is a wasteful number, since it uses less digits than its factorization.

52542523221516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17584512550 (or 17584512545 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 45.

The spelling of 52542523221516 in words is "fifty-two trillion, five hundred forty-two billion, five hundred twenty-three million, two hundred twenty-one thousand, five hundred sixteen".