52138168 has 16 divisors (see below), whose sum is σ = 97836480. Its totient is φ = 26048448.

The previous prime is 52138159. The next prime is 52138169. The reversal of 52138168 is 86183125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52138169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16180 + ... + 19132.

It is an arithmetic number, because the mean of its divisors is an integer number (6114780).

Almost surely, 2^52138168 is an apocalyptic number.

It is an amenable number.

52138168 is a deficient number, since it is larger than the sum of its proper divisors (45698312).

52138168 is a wasteful number, since it uses less digits than its factorization.

52138168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5166 (or 5162 counting only the distinct ones).

The product of its digits is 11520, while the sum is 34.

The square root of 52138168 is about 7220.6764226075. The cubic root of 52138168 is about 373.5814089580.

The spelling of 52138168 in words is "fifty-two million, one hundred thirty-eight thousand, one hundred sixty-eight".