551126047 has 2 divisors, whose sum is σ = 551126048. Its totient is φ = 551126046.

The previous prime is 551125999. The next prime is 551126053. The reversal of 551126047 is 740621155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 551126047 - 2¹⁹ = 550601759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551126087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275563023 + 275563024.

It is an arithmetic number, because the mean of its divisors is an integer number (275563024).

Almost surely, 2^551126047 is an apocalyptic number.

551126047 is a deficient number, since it is larger than the sum of its proper divisors (1).

551126047 is an equidigital number, since it uses as much as digits as its factorization.

551126047 is an odious number, because the sum of its binary digits is odd.

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

The square root of 551126047 is about 23476.0739264469. The cubic root of 551126047 is about 819.8800374776.

The spelling of 551126047 in words is "five hundred fifty-one million, one hundred twenty-six thousand, forty-seven".