5591771 has 2 divisors, whose sum is σ = 5591772. Its totient is φ = 5591770.

The previous prime is 5591743. The next prime is 5591777. The reversal of 5591771 is 1771955.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5591771 - 2¹⁴ = 5575387 is a prime.

It is not a weakly prime, because it can be changed into another prime (5591777) 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, 2795885 + 2795886.

It is an arithmetic number, because the mean of its divisors is an integer number (2795886).

Almost surely, 2^5591771 is an apocalyptic number.

5591771 is a deficient number, since it is larger than the sum of its proper divisors (1).

5591771 is an equidigital number, since it uses as much as digits as its factorization.

5591771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11025, while the sum is 35.

The square root of 5591771 is about 2364.6925804425. The cubic root of 5591771 is about 177.4937748263.

It can be divided in two parts, 559 and 1771, that multiplied together give a palindrome (989989).

The spelling of 5591771 in words is "five million, five hundred ninety-one thousand, seven hundred seventy-one".