553255399 has 2 divisors, whose sum is σ = 553255400. Its totient is φ = 553255398.

The previous prime is 553255397. The next prime is 553255403. The reversal of 553255399 is 993552355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 553255399 - 2¹ = 553255397 is a prime.

Together with 553255397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553255397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276627699 + 276627700.

It is an arithmetic number, because the mean of its divisors is an integer number (276627700).

Almost surely, 2^553255399 is an apocalyptic number.

553255399 is a deficient number, since it is larger than the sum of its proper divisors (1).

553255399 is an equidigital number, since it uses as much as digits as its factorization.

553255399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 911250, while the sum is 46.

The square root of 553255399 is about 23521.3817408757. The cubic root of 553255399 is about 820.9345872934.

The spelling of 553255399 in words is "five hundred fifty-three million, two hundred fifty-five thousand, three hundred ninety-nine".