523555051 has 12 divisors (see below), whose sum is σ = 560158392. Its totient is φ = 489180384.

The previous prime is 523555031. The next prime is 523555061. The reversal of 523555051 is 150555325.

It is a happy number.

It is not a de Polignac number, because 523555051 - 2¹⁹ = 523030763 is a prime.

It is a super-2 number, since 2×523555051² = 548219782855225202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (523555031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16420 + ... + 36286.

It is an arithmetic number, because the mean of its divisors is an integer number (46679866).

Almost surely, 2^523555051 is an apocalyptic number.

523555051 is a deficient number, since it is larger than the sum of its proper divisors (36603341).

523555051 is a wasteful number, since it uses less digits than its factorization.

523555051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19978 (or 19959 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 31.

The square root of 523555051 is about 22881.3253768220. The cubic root of 523555051 is about 805.9735407250.

The spelling of 523555051 in words is "five hundred twenty-three million, five hundred fifty-five thousand, fifty-one".