52715388 has 96 divisors (see below), whose sum is σ = 142248960. Its totient is φ = 15043840.

The previous prime is 52715371. The next prime is 52715389. The reversal of 52715388 is 88351725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52715389) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179770 + ... + 180062.

It is an arithmetic number, because the mean of its divisors is an integer number (1481760).

Almost surely, 2^52715388 is an apocalyptic number.

52715388 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52715388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71124480).

52715388 is an abundant number, since it is smaller than the sum of its proper divisors (89533572).

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

52715388 is a wasteful number, since it uses less digits than its factorization.

52715388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387 (or 385 counting only the distinct ones).

The product of its digits is 67200, while the sum is 39.

The square root of 52715388 is about 7260.5363438247. The cubic root of 52715388 is about 374.9549883752.

The spelling of 52715388 in words is "fifty-two million, seven hundred fifteen thousand, three hundred eighty-eight".