52711520 has 48 divisors (see below), whose sum is σ = 125139168. Its totient is φ = 20981760.

The previous prime is 52711493. The next prime is 52711537. The reversal of 52711520 is 2511725.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37877 + ... + 39243.

It is an arithmetic number, because the mean of its divisors is an integer number (2607066).

Almost surely, 2^52711520 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 52711520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62569584).

52711520 is an abundant number, since it is smaller than the sum of its proper divisors (72427648).

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

52711520 is a wasteful number, since it uses less digits than its factorization.

52711520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623 (or 1615 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 52711520 is about 7260.2699674323. The cubic root of 52711520 is about 374.9458173569.

The spelling of 52711520 in words is "fifty-two million, seven hundred eleven thousand, five hundred twenty".