523120055 has 4 divisors (see below), whose sum is σ = 627744072. Its totient is φ = 418496040.

The previous prime is 523120049. The next prime is 523120063. The reversal of 523120055 is 550021325.

523120055 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 523120055 - 2⁶ = 523119991 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 523120055.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52312001 + ... + 52312010.

It is an arithmetic number, because the mean of its divisors is an integer number (156936018).

Almost surely, 2^523120055 is an apocalyptic number.

523120055 is a deficient number, since it is larger than the sum of its proper divisors (104624017).

523120055 is a wasteful number, since it uses less digits than its factorization.

523120055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104624016.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 523120055 is about 22871.8179207513. The cubic root of 523120055 is about 805.7502643583.

The spelling of 523120055 in words is "five hundred twenty-three million, one hundred twenty thousand, fifty-five".