551403053 has 2 divisors, whose sum is σ = 551403054. Its totient is φ = 551403052.

The previous prime is 551403031. The next prime is 551403067. The reversal of 551403053 is 350304155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 514473124 + 36929929 = 22682^2 + 6077^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551403053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551403553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275701526 + 275701527.

It is an arithmetic number, because the mean of its divisors is an integer number (275701527).

Almost surely, 2^551403053 is an apocalyptic number.

It is an amenable number.

551403053 is a deficient number, since it is larger than the sum of its proper divisors (1).

551403053 is an equidigital number, since it uses as much as digits as its factorization.

551403053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 551403053 is about 23481.9729367019. The cubic root of 551403053 is about 820.0173766891.

The spelling of 551403053 in words is "five hundred fifty-one million, four hundred three thousand, fifty-three".