552991469 has 2 divisors, whose sum is σ = 552991470. Its totient is φ = 552991468.

The previous prime is 552991441. The next prime is 552991493. The reversal of 552991469 is 964199255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 471324100 + 81667369 = 21710^2 + 9037^2 .

It is a cyclic number.

It is not a de Polignac number, because 552991469 - 2²⁴ = 536214253 is a prime.

It is a super-2 number, since 2×552991469² = 611599129573555922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (552990469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276495734 + 276495735.

It is an arithmetic number, because the mean of its divisors is an integer number (276495735).

Almost surely, 2^552991469 is an apocalyptic number.

It is an amenable number.

552991469 is a deficient number, since it is larger than the sum of its proper divisors (1).

552991469 is an equidigital number, since it uses as much as digits as its factorization.

552991469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 874800, while the sum is 50.

The square root of 552991469 is about 23515.7706443995. The cubic root of 552991469 is about 820.8040244894.

The spelling of 552991469 in words is "five hundred fifty-two million, nine hundred ninety-one thousand, four hundred sixty-nine".