553724417 has 2 divisors, whose sum is σ = 553724418. Its totient is φ = 553724416.

The previous prime is 553724411. The next prime is 553724419. The reversal of 553724417 is 714427355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 421727296 + 131997121 = 20536^2 + 11489^2 .

It is a cyclic number.

It is not a de Polignac number, because 553724417 - 2⁸ = 553724161 is a prime.

It is a super-3 number, since 3×553724417³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 553724419, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (553724411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276862208 + 276862209.

It is an arithmetic number, because the mean of its divisors is an integer number (276862209).

Almost surely, 2^553724417 is an apocalyptic number.

It is an amenable number.

553724417 is a deficient number, since it is larger than the sum of its proper divisors (1).

553724417 is an equidigital number, since it uses as much as digits as its factorization.

553724417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117600, while the sum is 38.

The square root of 553724417 is about 23531.3496637996. The cubic root of 553724417 is about 821.1665020940.

The spelling of 553724417 in words is "five hundred fifty-three million, seven hundred twenty-four thousand, four hundred seventeen".