52205535531 has 16 divisors (see below), whose sum is σ = 77614837120. Its totient is φ = 34680704040.

The previous prime is 52205535469. The next prime is 52205535553. The reversal of 52205535531 is 13553550225.

52205535531 is a `hidden beast` number, since 5 + 2 + 20 + 553 + 55 + 31 = 666.

It is not a de Polignac number, because 52205535531 - 2²⁷ = 52071317803 is a prime.

It is a super-2 number, since 2×52205535531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52205535731) 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, 3408505 + ... + 3423786.

It is an arithmetic number, because the mean of its divisors is an integer number (4850927320).

Almost surely, 2^52205535531 is an apocalyptic number.

52205535531 is a deficient number, since it is larger than the sum of its proper divisors (25409301589).

52205535531 is a wasteful number, since it uses less digits than its factorization.

52205535531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6832583 (or 6832577 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 36.

The spelling of 52205535531 in words is "fifty-two billion, two hundred five million, five hundred thirty-five thousand, five hundred thirty-one".