52388310 has 48 divisors (see below), whose sum is σ = 136160784. Its totient is φ = 12894336.

The previous prime is 52388299. The next prime is 52388311. The reversal of 52388310 is 1388325.

It is a happy number.

It is a super-2 number, since 2×52388310² = 5489070049312200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52388311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97 + ... + 10236.

It is an arithmetic number, because the mean of its divisors is an integer number (2836683).

Almost surely, 2^52388310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52388310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68080392).

52388310 is an abundant number, since it is smaller than the sum of its proper divisors (83772474).

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

52388310 is a wasteful number, since it uses less digits than its factorization.

52388310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10369 (or 10356 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 52388310 is about 7237.9769272912. The cubic root of 52388310 is about 374.1778968184.

The spelling of 52388310 in words is "fifty-two million, three hundred eighty-eight thousand, three hundred ten".