5591863 has 2 divisors, whose sum is σ = 5591864. Its totient is φ = 5591862.

The previous prime is 5591837. The next prime is 5591881. The reversal of 5591863 is 3681955.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5591863 - 2¹³ = 5583671 is a prime.

5591863 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5591813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2795931 + 2795932.

It is an arithmetic number, because the mean of its divisors is an integer number (2795932).

Almost surely, 2^5591863 is an apocalyptic number.

5591863 is a deficient number, since it is larger than the sum of its proper divisors (1).

5591863 is an equidigital number, since it uses as much as digits as its factorization.

5591863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 37.

The square root of 5591863 is about 2364.7120332083. The cubic root of 5591863 is about 177.4947482411.

The spelling of 5591863 in words is "five million, five hundred ninety-one thousand, eight hundred sixty-three".