553744427 has 2 divisors, whose sum is σ = 553744428. Its totient is φ = 553744426.

The previous prime is 553744421. The next prime is 553744453. The reversal of 553744427 is 724447355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 553744427 - 2⁶ = 553744363 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (553744421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276872213 + 276872214.

It is an arithmetic number, because the mean of its divisors is an integer number (276872214).

Almost surely, 2^553744427 is an apocalyptic number.

553744427 is a deficient number, since it is larger than the sum of its proper divisors (1).

553744427 is an equidigital number, since it uses as much as digits as its factorization.

553744427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 470400, while the sum is 41.

The square root of 553744427 is about 23531.7748374405. The cubic root of 553744427 is about 821.1763935028.

The spelling of 553744427 in words is "five hundred fifty-three million, seven hundred forty-four thousand, four hundred twenty-seven".