520056735 has 16 divisors (see below), whose sum is σ = 907735680. Its totient is φ = 252148640.

The previous prime is 520056727. The next prime is 520056737. The reversal of 520056735 is 537650025.

It is not a de Polignac number, because 520056735 - 2³ = 520056727 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 520056696 and 520056705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520056737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1575765 + ... + 1576094.

It is an arithmetic number, because the mean of its divisors is an integer number (56733480).

Almost surely, 2^520056735 is an apocalyptic number.

520056735 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

520056735 is a deficient number, since it is larger than the sum of its proper divisors (387678945).

520056735 is a wasteful number, since it uses less digits than its factorization.

520056735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3151878.

The product of its (nonzero) digits is 31500, while the sum is 33.

The square root of 520056735 is about 22804.7524652209. The cubic root of 520056735 is about 804.1743962794.

The spelling of 520056735 in words is "five hundred twenty million, fifty-six thousand, seven hundred thirty-five".