520696055 has 16 divisors (see below), whose sum is σ = 683627904. Its totient is φ = 377582880.

The previous prime is 520696039. The next prime is 520696067. The reversal of 520696055 is 550696025.

It is not a de Polignac number, because 520696055 - 2⁴ = 520696039 is a prime.

It is a super-2 number, since 2×520696055² = 542248763385126050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5444 + ... + 32726.

It is an arithmetic number, because the mean of its divisors is an integer number (42726744).

Almost surely, 2^520696055 is an apocalyptic number.

520696055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

520696055 is a deficient number, since it is larger than the sum of its proper divisors (162931849).

520696055 is a wasteful number, since it uses less digits than its factorization.

520696055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27646.

The product of its (nonzero) digits is 81000, while the sum is 38.

The square root of 520696055 is about 22818.7654135801. The cubic root of 520696055 is about 804.5037925473.

The spelling of 520696055 in words is "five hundred twenty million, six hundred ninety-six thousand, fifty-five".