52815889 has 24 divisors (see below), whose sum is σ = 66890880. Its totient is φ = 40706688.

The previous prime is 52815869. The next prime is 52815901. The reversal of 52815889 is 98851825.

It is not a de Polignac number, because 52815889 - 2⁵ = 52815857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52815809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62532 + ... + 63370.

It is an arithmetic number, because the mean of its divisors is an integer number (2787120).

Almost surely, 2^52815889 is an apocalyptic number.

It is an amenable number.

52815889 is a deficient number, since it is larger than the sum of its proper divisors (14074991).

52815889 is a wasteful number, since it uses less digits than its factorization.

52815889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909 (or 886 counting only the distinct ones).

The product of its digits is 230400, while the sum is 46.

The square root of 52815889 is about 7267.4540934223. The cubic root of 52815889 is about 375.1931189002.

The spelling of 52815889 in words is "fifty-two million, eight hundred fifteen thousand, eight hundred eighty-nine".