551505049 has 2 divisors, whose sum is σ = 551505050. Its totient is φ = 551505048.

The previous prime is 551505029. The next prime is 551505113. The reversal of 551505049 is 940505155.

551505049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 325153024 + 226352025 = 18032^2 + 15045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551505049 is a prime.

It is not a weakly prime, because it can be changed into another prime (551505029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275752524 + 275752525.

It is an arithmetic number, because the mean of its divisors is an integer number (275752525).

Almost surely, 2^551505049 is an apocalyptic number.

It is an amenable number.

551505049 is a deficient number, since it is larger than the sum of its proper divisors (1).

551505049 is an equidigital number, since it uses as much as digits as its factorization.

551505049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22500, while the sum is 34.

The square root of 551505049 is about 23484.1446299413. The cubic root of 551505049 is about 820.0679345858.

The spelling of 551505049 in words is "five hundred fifty-one million, five hundred five thousand, forty-nine".