52331136 has 128 divisors (see below), whose sum is σ = 163477440. Its totient is φ = 14622720.

The previous prime is 52331113. The next prime is 52331161. The reversal of 52331136 is 63113325.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54436 + ... + 55388.

Almost surely, 2^52331136 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 52331136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81738720).

52331136 is an abundant number, since it is smaller than the sum of its proper divisors (111146304).

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

52331136 is a wasteful number, since it uses less digits than its factorization.

52331136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994 (or 982 counting only the distinct ones).

The product of its digits is 1620, while the sum is 24.

The square root of 52331136 is about 7234.0262648127. The cubic root of 52331136 is about 374.0417275451.

The spelling of 52331136 in words is "fifty-two million, three hundred thirty-one thousand, one hundred thirty-six".