52398012 has 72 divisors (see below), whose sum is σ = 134613360. Its totient is φ = 15841280.

The previous prime is 52398011. The next prime is 52398043. The reversal of 52398012 is 21089325.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52398011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100312 + ... + 100832.

It is an arithmetic number, because the mean of its divisors is an integer number (1869630).

Almost surely, 2^52398012 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 52398012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67306680).

52398012 is an abundant number, since it is smaller than the sum of its proper divisors (82215348).

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

52398012 is a wasteful number, since it uses less digits than its factorization.

52398012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591 (or 572 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 52398012 is about 7238.6471111666. The cubic root of 52398012 is about 374.2009938915.

The spelling of 52398012 in words is "fifty-two million, three hundred ninety-eight thousand, twelve".