52259918 has 8 divisors (see below), whose sum is σ = 82515720. Its totient is φ = 24754680.

The previous prime is 52259917. The next prime is 52259923. The reversal of 52259918 is 81995225.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52259917) 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, 687593 + ... + 687668.

It is an arithmetic number, because the mean of its divisors is an integer number (10314465).

Almost surely, 2^52259918 is an apocalyptic number.

52259918 is a deficient number, since it is larger than the sum of its proper divisors (30255802).

52259918 is a wasteful number, since it uses less digits than its factorization.

52259918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375282.

The product of its digits is 64800, while the sum is 41.

The square root of 52259918 is about 7229.1021572530. The cubic root of 52259918 is about 373.8719713914.

The spelling of 52259918 in words is "fifty-two million, two hundred fifty-nine thousand, nine hundred eighteen".