52117208 has 32 divisors (see below), whose sum is σ = 114806160. Its totient is φ = 21866880.

The previous prime is 52117181. The next prime is 52117213. The reversal of 52117208 is 80271125.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

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, 21635 + ... + 23922.

Almost surely, 2^52117208 is an apocalyptic number.

It is an amenable number.

52117208 is an abundant number, since it is smaller than the sum of its proper divisors (62688952).

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

52117208 is a wasteful number, since it uses less digits than its factorization.

52117208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45587 (or 45583 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 52117208 is about 7219.2248891415. The cubic root of 52117208 is about 373.5313412492.

It can be divided in two parts, 52117 and 208, that added together give a palindrome (52325).

The spelling of 52117208 in words is "fifty-two million, one hundred seventeen thousand, two hundred eight".