52237218 has 16 divisors (see below), whose sum is σ = 113972256. Its totient is φ = 15829440.

The previous prime is 52237193. The next prime is 52237247. The reversal of 52237218 is 81273225.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395671 + ... + 395802.

It is an arithmetic number, because the mean of its divisors is an integer number (7123266).

Almost surely, 2^52237218 is an apocalyptic number.

52237218 is an abundant number, since it is smaller than the sum of its proper divisors (61735038).

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

52237218 is a wasteful number, since it uses less digits than its factorization.

52237218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791489.

The product of its digits is 6720, while the sum is 30.

The square root of 52237218 is about 7227.5319438934. The cubic root of 52237218 is about 373.8178309642.

The spelling of 52237218 in words is "fifty-two million, two hundred thirty-seven thousand, two hundred eighteen".