553731161 has 2 divisors, whose sum is σ = 553731162. Its totient is φ = 553731160.

The previous prime is 553731151. The next prime is 553731169. The reversal of 553731161 is 161137355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 531025936 + 22705225 = 23044^2 + 4765^2 .

It is a cyclic number.

It is not a de Polignac number, because 553731161 - 2²² = 549536857 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (553731169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276865580 + 276865581.

It is an arithmetic number, because the mean of its divisors is an integer number (276865581).

Almost surely, 2^553731161 is an apocalyptic number.

It is an amenable number.

553731161 is a deficient number, since it is larger than the sum of its proper divisors (1).

553731161 is an equidigital number, since it uses as much as digits as its factorization.

553731161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9450, while the sum is 32.

The square root of 553731161 is about 23531.4929615611. The cubic root of 553731161 is about 821.1698358368.

The spelling of 553731161 in words is "five hundred fifty-three million, seven hundred thirty-one thousand, one hundred sixty-one".