5591493 has 12 divisors (see below), whose sum is σ = 8114860. Its totient is φ = 3710016.

The previous prime is 5591483. The next prime is 5591497. The reversal of 5591493 is 3941955.

5591493 is a `hidden beast` number, since 559 + 14 + 93 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5391684 + 199809 = 2322^2 + 447^2 .

It is not a de Polignac number, because 5591493 - 2¹² = 5587397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5591497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 705 + ... + 3417.

Almost surely, 2^5591493 is an apocalyptic number.

It is an amenable number.

5591493 is a deficient number, since it is larger than the sum of its proper divisors (2523367).

5591493 is a wasteful number, since it uses less digits than its factorization.

5591493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2948 (or 2945 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 5591493 is about 2364.6337982867. The cubic root of 5591493 is about 177.4908333559.

It can be divided in two parts, 5591 and 493, that added together give a square (6084 = 78²).

The spelling of 5591493 in words is "five million, five hundred ninety-one thousand, four hundred ninety-three".