5540091 has 8 divisors (see below), whose sum is σ = 7399440. Its totient is φ = 3687072.

The previous prime is 5540083. The next prime is 5540099. The reversal of 5540091 is 1900455.

5540091 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (5540083) and next prime (5540099).

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

It is not a de Polignac number, because 5540091 - 2³ = 5540083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5540099) 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, 1125 + ... + 3513.

It is an arithmetic number, because the mean of its divisors is an integer number (924930).

Almost surely, 2^5540091 is an apocalyptic number.

5540091 is a deficient number, since it is larger than the sum of its proper divisors (1859349).

5540091 is a wasteful number, since it uses less digits than its factorization.

5540091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3165.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 5540091 is about 2353.7397902062. The cubic root of 5540091 is about 176.9452733869.

The spelling of 5540091 in words is "five million, five hundred forty thousand, ninety-one".