520057716 has 12 divisors (see below), whose sum is σ = 1213468032. Its totient is φ = 173352568.

The previous prime is 520057709. The next prime is 520057723. The reversal of 520057716 is 617750025.

It is an interprime number because it is at equal distance from previous prime (520057709) and next prime (520057723).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×520057716² = 540920055942273312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21669060 + ... + 21669083.

It is an arithmetic number, because the mean of its divisors is an integer number (101122336).

Almost surely, 2^520057716 is an apocalyptic number.

It is an amenable number.

520057716 is an abundant number, since it is smaller than the sum of its proper divisors (693410316).

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

520057716 is a wasteful number, since it uses less digits than its factorization.

520057716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43338150 (or 43338148 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 520057716 is about 22804.7739738854. The cubic root of 520057716 is about 804.1749019259.

The spelling of 520057716 in words is "five hundred twenty million, fifty-seven thousand, seven hundred sixteen".