6554091 has 4 divisors (see below), whose sum is σ = 8738792. Its totient is φ = 4369392.

The previous prime is 6554083. The next prime is 6554101. The reversal of 6554091 is 1904556.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6554091 - 2³ = 6554083 is a prime.

It is a super-2 number, since 2×6554091² = 85912217672562, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6554021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1092346 + ... + 1092351.

It is an arithmetic number, because the mean of its divisors is an integer number (2184698).

Almost surely, 2^6554091 is an apocalyptic number.

6554091 is a deficient number, since it is larger than the sum of its proper divisors (2184701).

6554091 is a wasteful number, since it uses less digits than its factorization.

6554091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184700.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 6554091 is about 2560.0958966414. The cubic root of 6554091 is about 187.1418086078.

The spelling of 6554091 in words is "six million, five hundred fifty-four thousand, ninety-one".