52517688 has 16 divisors (see below), whose sum is σ = 131294280. Its totient is φ = 17505888.

The previous prime is 52517683. The next prime is 52517701. The reversal of 52517688 is 88671525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52517683) 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, 1094095 + ... + 1094142.

Almost surely, 2^52517688 is an apocalyptic number.

It is an amenable number.

52517688 is an abundant number, since it is smaller than the sum of its proper divisors (78776592).

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

52517688 is a wasteful number, since it uses less digits than its factorization.

52517688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188246 (or 2188242 counting only the distinct ones).

The product of its digits is 134400, while the sum is 42.

The square root of 52517688 is about 7246.9088582650. The cubic root of 52517688 is about 374.4856664407.

The spelling of 52517688 in words is "fifty-two million, five hundred seventeen thousand, six hundred eighty-eight".