52515621153 has 6 divisors (see below), whose sum is σ = 75855897234. Its totient is φ = 35010414096.

The previous prime is 52515621143. The next prime is 52515621167. The reversal of 52515621153 is 35112651525.

52515621153 is a `hidden beast` number, since 5 + 2 + 5 + 15 + 621 + 15 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 27523805409 + 24991815744 = 165903^2 + 158088^2 .

It is not a de Polignac number, because 52515621153 - 2⁶ = 52515621089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52515621113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2917534500 + ... + 2917534517.

It is an arithmetic number, because the mean of its divisors is an integer number (12642649539).

Almost surely, 2^52515621153 is an apocalyptic number.

It is an amenable number.

52515621153 is a deficient number, since it is larger than the sum of its proper divisors (23340276081).

52515621153 is a wasteful number, since it uses less digits than its factorization.

52515621153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5835069023 (or 5835069020 counting only the distinct ones).

The product of its digits is 45000, while the sum is 36.

The spelling of 52515621153 in words is "fifty-two billion, five hundred fifteen million, six hundred twenty-one thousand, one hundred fifty-three".