52115818 has 8 divisors (see below), whose sum is σ = 78335712. Its totient is φ = 26003916.

The previous prime is 52115807. The next prime is 52115831. The reversal of 52115818 is 81851125.

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

It is a self number, because there is not a number n which added to its sum of digits gives 52115818.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25780 + ... + 27727.

It is an arithmetic number, because the mean of its divisors is an integer number (9791964).

Almost surely, 2^52115818 is an apocalyptic number.

52115818 is a deficient number, since it is larger than the sum of its proper divisors (26219894).

52115818 is a wasteful number, since it uses less digits than its factorization.

52115818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53996.

The product of its digits is 3200, while the sum is 31.

The square root of 52115818 is about 7219.1286177765. The cubic root of 52115818 is about 373.5280204446.

The spelling of 52115818 in words is "fifty-two million, one hundred fifteen thousand, eight hundred eighteen".