52389504 has 160 divisors (see below), whose sum is σ = 161927040. Its totient is φ = 16796160.

The previous prime is 52389503. The next prime is 52389509. The reversal of 52389504 is 40598325.

52389504 is a `hidden beast` number, since 523 + 89 + 50 + 4 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (52389503) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 321327 + ... + 321489.

It is an arithmetic number, because the mean of its divisors is an integer number (1012044).

Almost surely, 2^52389504 is an apocalyptic number.

52389504 is a gapful number since it is divisible by the number (54) 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 52389504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80963520).

52389504 is an abundant number, since it is smaller than the sum of its proper divisors (109537536).

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

52389504 is a wasteful number, since it uses less digits than its factorization.

52389504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 52389504 is about 7238.0594084326. The cubic root of 52389504 is about 374.1807394692.

The spelling of 52389504 in words is "fifty-two million, three hundred eighty-nine thousand, five hundred four".