551321107 has 2 divisors, whose sum is σ = 551321108. Its totient is φ = 551321106.

The previous prime is 551321077. The next prime is 551321123. The reversal of 551321107 is 701123155.

551321107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551321107 is a prime.

It is not a weakly prime, because it can be changed into another prime (551321167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275660553 + 275660554.

It is an arithmetic number, because the mean of its divisors is an integer number (275660554).

Almost surely, 2^551321107 is an apocalyptic number.

551321107 is a deficient number, since it is larger than the sum of its proper divisors (1).

551321107 is an equidigital number, since it uses as much as digits as its factorization.

551321107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 551321107 is about 23480.2280014484. The cubic root of 551321107 is about 819.9767527615.

The spelling of 551321107 in words is "five hundred fifty-one million, three hundred twenty-one thousand, one hundred seven".