520037056 has 56 divisors (see below), whose sum is σ = 1286597376. Its totient is φ = 202609920.

The previous prime is 520037053. The next prime is 520037069. The reversal of 520037056 is 650730025.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×520037056² = 540877079226294272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (520037053) 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, 47836 + ... + 57691.

Almost surely, 2^520037056 is an apocalyptic number.

520037056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

520037056 is an abundant number, since it is smaller than the sum of its proper divisors (766560320).

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

520037056 is a wasteful number, since it uses less digits than its factorization.

520037056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105557 (or 105547 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 520037056 is about 22804.3209940572. The cubic root of 520037056 is about 804.1642528043.

The spelling of 520037056 in words is "five hundred twenty million, thirty-seven thousand, fifty-six".