553349791 has 2 divisors, whose sum is σ = 553349792. Its totient is φ = 553349790.

The previous prime is 553349773. The next prime is 553349803. The reversal of 553349791 is 197943355.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 553349791 - 2⁵ = 553349759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553349191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276674895 + 276674896.

It is an arithmetic number, because the mean of its divisors is an integer number (276674896).

Almost surely, 2^553349791 is an apocalyptic number.

553349791 is a deficient number, since it is larger than the sum of its proper divisors (1).

553349791 is an equidigital number, since it uses as much as digits as its factorization.

553349791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 510300, while the sum is 46.

The square root of 553349791 is about 23523.3881700745. The cubic root of 553349791 is about 820.9812717308.

The spelling of 553349791 in words is "five hundred fifty-three million, three hundred forty-nine thousand, seven hundred ninety-one".