5551867 has 2 divisors, whose sum is σ = 5551868. Its totient is φ = 5551866.

The previous prime is 5551853. The next prime is 5551873. The reversal of 5551867 is 7681555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5551867 - 2¹⁹ = 5027579 is a prime.

5551867 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (5551807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775933 + 2775934.

It is an arithmetic number, because the mean of its divisors is an integer number (2775934).

Almost surely, 2^5551867 is an apocalyptic number.

5551867 is a deficient number, since it is larger than the sum of its proper divisors (1).

5551867 is an equidigital number, since it uses as much as digits as its factorization.

5551867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42000, while the sum is 37.

The square root of 5551867 is about 2356.2400132414. The cubic root of 5551867 is about 177.0705561008.

The spelling of 5551867 in words is "five million, five hundred fifty-one thousand, eight hundred sixty-seven".