52307892 has 108 divisors (see below), whose sum is σ = 165714276. Its totient is φ = 13789440.

The previous prime is 52307891. The next prime is 52307897. The reversal of 52307892 is 29870325.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18714276 + 33593616 = 4326^2 + 5796^2 .

It is a super-2 number, since 2×52307892² = 5472231130967328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52307891) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21792 + ... + 24072.

Almost surely, 2^52307892 is an apocalyptic number.

52307892 is a gapful number since it is divisible by the number (52) 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 52307892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82857138).

52307892 is an abundant number, since it is smaller than the sum of its proper divisors (113406384).

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

52307892 is a wasteful number, since it uses less digits than its factorization.

52307892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318 (or 2306 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 52307892 is about 7232.4195121688. The cubic root of 52307892 is about 373.9863397834.

The spelling of 52307892 in words is "fifty-two million, three hundred seven thousand, eight hundred ninety-two".