552997161 has 12 divisors (see below), whose sum is σ = 799013488. Its totient is φ = 368554104.

The previous prime is 552997141. The next prime is 552997171. The reversal of 552997161 is 161799255.

552997161 is a `hidden beast` number, since 552 + 9 + 97 + 1 + 6 + 1 = 666.

It is not a de Polignac number, because 552997161 - 2⁵ = 552997129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552997111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32226 + ... + 46308.

Almost surely, 2^552997161 is an apocalyptic number.

It is an amenable number.

552997161 is a deficient number, since it is larger than the sum of its proper divisors (246016327).

552997161 is a wasteful number, since it uses less digits than its factorization.

552997161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18452 (or 18449 counting only the distinct ones).

The product of its digits is 170100, while the sum is 45.

The square root of 552997161 is about 23515.8916692521. The cubic root of 552997161 is about 820.8068406874.

The spelling of 552997161 in words is "five hundred fifty-two million, nine hundred ninety-seven thousand, one hundred sixty-one".