551355223 has 2 divisors, whose sum is σ = 551355224. Its totient is φ = 551355222.

The previous prime is 551355179. The next prime is 551355227. The reversal of 551355223 is 322553155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 551355223 - 2¹⁷ = 551224151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551355227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275677611 + 275677612.

It is an arithmetic number, because the mean of its divisors is an integer number (275677612).

Almost surely, 2^551355223 is an apocalyptic number.

551355223 is a deficient number, since it is larger than the sum of its proper divisors (1).

551355223 is an equidigital number, since it uses as much as digits as its factorization.

551355223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22500, while the sum is 31.

The square root of 551355223 is about 23480.9544737858. The cubic root of 551355223 is about 819.9936659237.

The spelling of 551355223 in words is "five hundred fifty-one million, three hundred fifty-five thousand, two hundred twenty-three".