553985271 has 32 divisors (see below), whose sum is σ = 943441920. Its totient is φ = 314714592.

The previous prime is 553985249. The next prime is 553985281. The reversal of 553985271 is 172589355.

553985271 is a `hidden beast` number, since 553 + 98 + 5 + 2 + 7 + 1 = 666.

It is not a de Polignac number, because 553985271 - 2⁷ = 553985143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553985281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24226 + ... + 41168.

It is an arithmetic number, because the mean of its divisors is an integer number (29482560).

Almost surely, 2^553985271 is an apocalyptic number.

553985271 is a deficient number, since it is larger than the sum of its proper divisors (389456649).

553985271 is a wasteful number, since it uses less digits than its factorization.

553985271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17132 (or 17126 counting only the distinct ones).

The product of its digits is 378000, while the sum is 45.

The square root of 553985271 is about 23536.8917021768. The cubic root of 553985271 is about 821.2954296088.

The spelling of 553985271 in words is "five hundred fifty-three million, nine hundred eighty-five thousand, two hundred seventy-one".