52397504 has 28 divisors (see below), whose sum is σ = 105156000. Its totient is φ = 25901568.

The previous prime is 52397479. The next prime is 52397507. The reversal of 52397504 is 40579325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52397507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1097 + ... + 10295.

Almost surely, 2^52397504 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 52397504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52578000).

52397504 is an abundant number, since it is smaller than the sum of its proper divisors (52758496).

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

52397504 is an equidigital number, since it uses as much as digits as its factorization.

52397504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9300 (or 9290 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 52397504 is about 7238.6120216517. The cubic root of 52397504 is about 374.1997845917.

The spelling of 52397504 in words is "fifty-two million, three hundred ninety-seven thousand, five hundred four".