52642518 has 16 divisors (see below), whose sum is σ = 105631680. Its totient is φ = 17489736.

The previous prime is 52642517. The next prime is 52642529. The reversal of 52642518 is 81524625.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52642517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12448 + ... + 16131.

It is an arithmetic number, because the mean of its divisors is an integer number (6601980).

Almost surely, 2^52642518 is an apocalyptic number.

52642518 is an abundant number, since it is smaller than the sum of its proper divisors (52989162).

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

52642518 is a wasteful number, since it uses less digits than its factorization.

52642518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28891.

The product of its digits is 19200, while the sum is 33.

The square root of 52642518 is about 7255.5163841039. The cubic root of 52642518 is about 374.7821383435.

The spelling of 52642518 in words is "fifty-two million, six hundred forty-two thousand, five hundred eighteen".