551258047 has 2 divisors, whose sum is σ = 551258048. Its totient is φ = 551258046.

The previous prime is 551258023. The next prime is 551258083. The reversal of 551258047 is 740852155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 551258047 - 2²⁷ = 417040319 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 551257997 and 551258015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551258447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275629023 + 275629024.

It is an arithmetic number, because the mean of its divisors is an integer number (275629024).

Almost surely, 2^551258047 is an apocalyptic number.

551258047 is a deficient number, since it is larger than the sum of its proper divisors (1).

551258047 is an equidigital number, since it uses as much as digits as its factorization.

551258047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56000, while the sum is 37.

The square root of 551258047 is about 23478.8851311130. The cubic root of 551258047 is about 819.9454886428.

The spelling of 551258047 in words is "five hundred fifty-one million, two hundred fifty-eight thousand, forty-seven".