52312260 has 288 divisors, whose sum is σ = 200696832. Its totient is φ = 9884160.

The previous prime is 52312231. The next prime is 52312279. The reversal of 52312260 is 6221325.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 780747 + ... + 780813.

It is an arithmetic number, because the mean of its divisors is an integer number (696864).

Almost surely, 2^52312260 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 52312260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100348416).

52312260 is an abundant number, since it is smaller than the sum of its proper divisors (148384572).

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

52312260 is a wasteful number, since it uses less digits than its factorization.

52312260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 52312260 is about 7232.7214794986. The cubic root of 52312260 is about 373.9967494737.

Adding to 52312260 its reverse (6221325), we get a palindrome (58533585).

The spelling of 52312260 in words is "fifty-two million, three hundred twelve thousand, two hundred sixty".