553421317 has 2 divisors, whose sum is σ = 553421318. Its totient is φ = 553421316.

The previous prime is 553421311. The next prime is 553421327. The reversal of 553421317 is 713124355.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 441252036 + 112169281 = 21006^2 + 10591^2 .

It is a cyclic number.

It is not a de Polignac number, because 553421317 - 2¹⁹ = 552897029 is a prime.

It is a super-2 number, since 2×553421317² = 612550308220028978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553421311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276710658 + 276710659.

It is an arithmetic number, because the mean of its divisors is an integer number (276710659).

Almost surely, 2^553421317 is an apocalyptic number.

It is an amenable number.

553421317 is a deficient number, since it is larger than the sum of its proper divisors (1).

553421317 is an equidigital number, since it uses as much as digits as its factorization.

553421317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 31.

The square root of 553421317 is about 23524.9084376539. The cubic root of 553421317 is about 821.0166435562.

The spelling of 553421317 in words is "five hundred fifty-three million, four hundred twenty-one thousand, three hundred seventeen".