52309888 has 64 divisors (see below), whose sum is σ = 111200400. Its totient is φ = 24440832.

The previous prime is 52309861. The next prime is 52309913. The reversal of 52309888 is 88890325.

It is a tau number, because it is divible by the number of its divisors (64).

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, 333106 + ... + 333262.

Almost surely, 2^52309888 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 52309888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55600200).

52309888 is an abundant number, since it is smaller than the sum of its proper divisors (58890512).

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

52309888 is a wasteful number, since it uses less digits than its factorization.

52309888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 52309888 is about 7232.5575006356. The cubic root of 52309888 is about 373.9910966643.

The spelling of 52309888 in words is "fifty-two million, three hundred nine thousand, eight hundred eighty-eight".