52497520 has 40 divisors (see below), whose sum is σ = 122960880. Its totient is φ = 20843520.

The previous prime is 52497509. The next prime is 52497527. The reversal of 52497520 is 2579425.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52497527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8760 + ... + 13480.

It is an arithmetic number, because the mean of its divisors is an integer number (3074022).

Almost surely, 2^52497520 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 52497520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61480440).

52497520 is an abundant number, since it is smaller than the sum of its proper divisors (70463360).

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

52497520 is a wasteful number, since it uses less digits than its factorization.

52497520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4873 (or 4867 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 52497520 is about 7245.5172348149. The cubic root of 52497520 is about 374.4377232670.

It can be divided in two parts, 5249 and 7520, that added together give a square (12769 = 113²).

The spelling of 52497520 in words is "fifty-two million, four hundred ninety-seven thousand, five hundred twenty".