551133377 has 2 divisors, whose sum is σ = 551133378. Its totient is φ = 551133376.

The previous prime is 551133367. The next prime is 551133403. The reversal of 551133377 is 773331155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 498003856 + 53129521 = 22316^2 + 7289^2 .

It is a cyclic number.

It is not a de Polignac number, because 551133377 - 2²⁴ = 534356161 is a prime.

It is a Chen prime.

It is a zygodrome in base 10.

It is not a weakly prime, because it can be changed into another prime (551133367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275566688 + 275566689.

It is an arithmetic number, because the mean of its divisors is an integer number (275566689).

Almost surely, 2^551133377 is an apocalyptic number.

It is an amenable number.

551133377 is a deficient number, since it is larger than the sum of its proper divisors (1).

551133377 is an equidigital number, since it uses as much as digits as its factorization.

551133377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33075, while the sum is 35.

The square root of 551133377 is about 23476.2300423215. The cubic root of 551133377 is about 819.8836722747.

The spelling of 551133377 in words is "five hundred fifty-one million, one hundred thirty-three thousand, three hundred seventy-seven".