52185588 has 72 divisors (see below), whose sum is σ = 152564832. Its totient is φ = 13761216.

The previous prime is 52185569. The next prime is 52185619. The reversal of 52185588 is 88558125.

52185588 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4231 + ... + 11057.

It is an arithmetic number, because the mean of its divisors is an integer number (2118956).

Almost surely, 2^52185588 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 52185588, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76282416).

52185588 is an abundant number, since it is smaller than the sum of its proper divisors (100379244).

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

52185588 is a wasteful number, since it uses less digits than its factorization.

52185588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6861 (or 6852 counting only the distinct ones).

The product of its digits is 128000, while the sum is 42.

The square root of 52185588 is about 7223.9593022109. The cubic root of 52185588 is about 373.6946328725.

The spelling of 52185588 in words is "fifty-two million, one hundred eighty-five thousand, five hundred eighty-eight".