52189368 has 128 divisors (see below), whose sum is σ = 168099840. Its totient is φ = 13104000.

The previous prime is 52189367. The next prime is 52189421. The reversal of 52189368 is 86398125.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52189363) 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, 56833 + ... + 57743.

It is an arithmetic number, because the mean of its divisors is an integer number (1313280).

Almost surely, 2^52189368 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 52189368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84049920).

52189368 is an abundant number, since it is smaller than the sum of its proper divisors (115910472).

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

52189368 is a wasteful number, since it uses less digits than its factorization.

52189368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969 (or 965 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 52189368 is about 7224.2209268543. The cubic root of 52189368 is about 373.7036553610.

It can be divided in two parts, 52 and 189368, that added together give a triangular number (189420 = T₆₁₅).

The spelling of 52189368 in words is "fifty-two million, one hundred eighty-nine thousand, three hundred sixty-eight".