553612469 has 2 divisors, whose sum is σ = 553612470. Its totient is φ = 553612468.

The previous prime is 553612447. The next prime is 553612541. The reversal of 553612469 is 964216355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 402002500 + 151609969 = 20050^2 + 12313^2 .

It is a cyclic number.

It is not a de Polignac number, because 553612469 - 2¹⁶ = 553546933 is a prime.

It is a super-2 number, since 2×553612469² = 612973531664551922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553618469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276806234 + 276806235.

It is an arithmetic number, because the mean of its divisors is an integer number (276806235).

Almost surely, 2^553612469 is an apocalyptic number.

It is an amenable number.

553612469 is a deficient number, since it is larger than the sum of its proper divisors (1).

553612469 is an equidigital number, since it uses as much as digits as its factorization.

553612469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 41.

The square root of 553612469 is about 23528.9708444717. The cubic root of 553612469 is about 821.1111591950. Note that the first 4 decimals are identical.

The spelling of 553612469 in words is "five hundred fifty-three million, six hundred twelve thousand, four hundred sixty-nine".