553919243 has 2 divisors, whose sum is σ = 553919244. Its totient is φ = 553919242.

The previous prime is 553919239. The next prime is 553919287. The reversal of 553919243 is 342919355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 553919243 - 2² = 553919239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 553919243.

It is not a weakly prime, because it can be changed into another prime (553919203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276959621 + 276959622.

It is an arithmetic number, because the mean of its divisors is an integer number (276959622).

Almost surely, 2^553919243 is an apocalyptic number.

553919243 is a deficient number, since it is larger than the sum of its proper divisors (1).

553919243 is an equidigital number, since it uses as much as digits as its factorization.

553919243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145800, while the sum is 41.

The square root of 553919243 is about 23535.4890112783. The cubic root of 553919243 is about 821.2627989885.

The spelling of 553919243 in words is "five hundred fifty-three million, nine hundred nineteen thousand, two hundred forty-three".