52517808 has 150 divisors (see below), whose sum is σ = 177032196. Its totient is φ = 14986944.

The previous prime is 52517807. The next prime is 52517819. The reversal of 52517808 is 80871525.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (52517807) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 63091 + ... + 63917.

Almost surely, 2^52517808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52517808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88516098).

52517808 is an abundant number, since it is smaller than the sum of its proper divisors (124514388).

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

52517808 is a wasteful number, since it uses less digits than its factorization.

52517808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861 (or 839 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 52517808 is about 7246.9171376524. The cubic root of 52517808 is about 374.4859516668.

The spelling of 52517808 in words is "fifty-two million, five hundred seventeen thousand, eight hundred eight".