52158288 has 80 divisors (see below), whose sum is σ = 165850496. Its totient is φ = 13754880.

The previous prime is 52158283. The next prime is 52158313. The reversal of 52158288 is 88285125.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52158283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1603 + ... + 10338.

Almost surely, 2^52158288 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 52158288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82925248).

52158288 is an abundant number, since it is smaller than the sum of its proper divisors (113692208).

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

52158288 is a wasteful number, since it uses less digits than its factorization.

52158288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11972 (or 11966 counting only the distinct ones).

The product of its digits is 51200, while the sum is 39.

The square root of 52158288 is about 7222.0695094966. The cubic root of 52158288 is about 373.6294575155.

The spelling of 52158288 in words is "fifty-two million, one hundred fifty-eight thousand, two hundred eighty-eight".