551874677 has 2 divisors, whose sum is σ = 551874678. Its totient is φ = 551874676.

The previous prime is 551874643. The next prime is 551874691. The reversal of 551874677 is 776478155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 515017636 + 36857041 = 22694^2 + 6071^2 .

It is a cyclic number.

It is not a de Polignac number, because 551874677 - 2²² = 547680373 is a prime.

It is a super-2 number, since 2×551874677² = 609131318227708658, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551834677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275937338 + 275937339.

It is an arithmetic number, because the mean of its divisors is an integer number (275937339).

Almost surely, 2^551874677 is an apocalyptic number.

It is an amenable number.

551874677 is a deficient number, since it is larger than the sum of its proper divisors (1).

551874677 is an equidigital number, since it uses as much as digits as its factorization.

551874677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1646400, while the sum is 50.

The square root of 551874677 is about 23492.0130469911. The cubic root of 551874677 is about 820.2511014656.

The spelling of 551874677 in words is "five hundred fifty-one million, eight hundred seventy-four thousand, six hundred seventy-seven".