52514520 has 128 divisors (see below), whose sum is σ = 167961600. Its totient is φ = 13105664.

The previous prime is 52514519. The next prime is 52514551. The reversal of 52514520 is 2541525.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146101 + ... + 146459.

It is an arithmetic number, because the mean of its divisors is an integer number (1312200).

Almost surely, 2^52514520 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 52514520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83980800).

52514520 is an abundant number, since it is smaller than the sum of its proper divisors (115447080).

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

52514520 is a wasteful number, since it uses less digits than its factorization.

52514520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 52514520 is about 7246.6902790170. The cubic root of 52514520 is about 374.4781363146.

The spelling of 52514520 in words is "fifty-two million, five hundred fourteen thousand, five hundred twenty".