5591901 has 8 divisors (see below), whose sum is σ = 8521024. Its totient is φ = 3195360.

The previous prime is 5591899. The next prime is 5591903. The reversal of 5591901 is 1091955.

It is an interprime number because it is at equal distance from previous prime (5591899) and next prime (5591903).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5591901 - 2¹ = 5591899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5591903) 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 in 7 ways as a sum of consecutive naturals, for example, 133120 + ... + 133161.

It is an arithmetic number, because the mean of its divisors is an integer number (1065128).

Almost surely, 2^5591901 is an apocalyptic number.

It is an amenable number.

5591901 is a deficient number, since it is larger than the sum of its proper divisors (2929123).

5591901 is a wasteful number, since it uses less digits than its factorization.

5591901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266291.

The product of its (nonzero) digits is 2025, while the sum is 30.

The square root of 5591901 is about 2364.7200679996. The cubic root of 5591901 is about 177.4951503006.

The spelling of 5591901 in words is "five million, five hundred ninety-one thousand, nine hundred one".