523555808555325 has 192 divisors, whose sum is σ = 1068804152156160. Its totient is φ = 220217608949760.

The previous prime is 523555808555321. The next prime is 523555808555467.

523555808555325 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 523555808555325 - 2² = 523555808555321 is a prime.

It is a super-2 number, since 2×523555808555325² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523555808555321) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3259532866 + ... + 3259693484.

It is an arithmetic number, because the mean of its divisors is an integer number (5566688292480).

Almost surely, 2^{523555808555325} is an apocalyptic number.

It is an amenable number.

523555808555325 is an abundant number, since it is smaller than the sum of its proper divisors (545248343600835).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

523555808555325 is a wasteful number, since it uses less digits than its factorization.

523555808555325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162188 (or 162183 counting only the distinct ones).

The product of its (nonzero) digits is 900000000, while the sum is 66.

The spelling of 523555808555325 in words is "five hundred twenty-three trillion, five hundred fifty-five billion, eight hundred eight million, five hundred fifty-five thousand, three hundred twenty-five".