52517988 has 36 divisors (see below), whose sum is σ = 135582720. Its totient is φ = 17132976.

The previous prime is 52517987. The next prime is 52518013. The reversal of 52517988 is 88971525.

It is a happy number.

52517988 is a `hidden beast` number, since 52 + 517 + 9 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (52517987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13828 + ... + 17211.

Almost surely, 2^52517988 is an apocalyptic number.

It is an amenable number.

52517988 is an abundant number, since it is smaller than the sum of its proper divisors (83064732).

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

52517988 is a wasteful number, since it uses less digits than its factorization.

52517988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31096 (or 31091 counting only the distinct ones).

The product of its digits is 201600, while the sum is 45.

The square root of 52517988 is about 7246.9295567157. The cubic root of 52517988 is about 374.4863795051.

The spelling of 52517988 in words is "fifty-two million, five hundred seventeen thousand, nine hundred eighty-eight".