5591090 has 16 divisors (see below), whose sum is σ = 10122840. Its totient is φ = 2223360.

The previous prime is 5591081. The next prime is 5591099. The reversal of 5591090 is 901955.

It is an interprime number because it is at equal distance from previous prime (5591081) and next prime (5591099).

It can be written as a sum of positive squares in 4 ways, for example, as 4036081 + 1555009 = 2009^2 + 1247^2 .

It is not an unprimeable number, because it can be changed into a prime (5591099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266 + ... + 3354.

Almost surely, 2^5591090 is an apocalyptic number.

5591090 is a deficient number, since it is larger than the sum of its proper divisors (4531750).

5591090 is a wasteful number, since it uses less digits than its factorization.

5591090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3277.

The product of its (nonzero) digits is 2025, while the sum is 29.

The square root of 5591090 is about 2364.5485827109. The cubic root of 5591090 is about 177.4865691087.

The spelling of 5591090 in words is "five million, five hundred ninety-one thousand, ninety".