553632169 has 2 divisors, whose sum is σ = 553632170. Its totient is φ = 553632168.

The previous prime is 553632113. The next prime is 553632173. The reversal of 553632169 is 961236355.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 551686144 + 1946025 = 23488^2 + 1395^2 .

It is a cyclic number.

It is not a de Polignac number, because 553632169 - 2⁹ = 553631657 is a prime.

It is a super-2 number, since 2×553632169² = 613017157103289122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (553632109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276816084 + 276816085.

It is an arithmetic number, because the mean of its divisors is an integer number (276816085).

Almost surely, 2^553632169 is an apocalyptic number.

It is an amenable number.

553632169 is a deficient number, since it is larger than the sum of its proper divisors (1).

553632169 is an equidigital number, since it uses as much as digits as its factorization.

553632169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145800, while the sum is 40.

The square root of 553632169 is about 23529.3894735924. The cubic root of 553632169 is about 821.1208986782.

The spelling of 553632169 in words is "five hundred fifty-three million, six hundred thirty-two thousand, one hundred sixty-nine".