551443117 has 2 divisors, whose sum is σ = 551443118. Its totient is φ = 551443116.

The previous prime is 551443103. The next prime is 551443177. The reversal of 551443117 is 711344155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 544335561 + 7107556 = 23331^2 + 2666^2 .

It is a cyclic number.

It is not a de Polignac number, because 551443117 - 2¹¹ = 551441069 is a prime.

It is a super-2 number, since 2×551443117² = 608179022573351378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551443177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275721558 + 275721559.

It is an arithmetic number, because the mean of its divisors is an integer number (275721559).

Almost surely, 2^551443117 is an apocalyptic number.

It is an amenable number.

551443117 is a deficient number, since it is larger than the sum of its proper divisors (1).

551443117 is an equidigital number, since it uses as much as digits as its factorization.

551443117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8400, while the sum is 31.

The square root of 551443117 is about 23482.8260011439. The cubic root of 551443117 is about 820.0372365601.

The spelling of 551443117 in words is "five hundred fifty-one million, four hundred forty-three thousand, one hundred seventeen".