520250055 has 16 divisors (see below), whose sum is σ = 896431200. Its totient is φ = 256123008.

The previous prime is 520250051. The next prime is 520250063. The reversal of 520250055 is 550052025.

It is not a de Polignac number, because 520250055 - 2² = 520250051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520250051) 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, 1333780 + ... + 1334169.

It is an arithmetic number, because the mean of its divisors is an integer number (56026950).

Almost surely, 2^520250055 is an apocalyptic number.

520250055 is a deficient number, since it is larger than the sum of its proper divisors (376181145).

520250055 is a wasteful number, since it uses less digits than its factorization.

520250055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2667970.

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 520250055 is about 22808.9906615790. The cubic root of 520250055 is about 804.2740288287.

The spelling of 520250055 in words is "five hundred twenty million, two hundred fifty thousand, fifty-five".