2755091 has 4 divisors (see below), whose sum is σ = 2783592. Its totient is φ = 2726592.

The previous prime is 2755073. The next prime is 2755097. The reversal of 2755091 is 1905572.

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

It is a cyclic number.

It is not a de Polignac number, because 2755091 - 2¹⁰ = 2754067 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2755097) 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, 14105 + ... + 14298.

It is an arithmetic number, because the mean of its divisors is an integer number (695898).

2^2755091 is an apocalyptic number.

2755091 is a deficient number, since it is larger than the sum of its proper divisors (28501).

2755091 is an equidigital number, since it uses as much as digits as its factorization.

2755091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28500.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 2755091 is about 1659.8466796665. The cubic root of 2755091 is about 140.1883688865.

The spelling of 2755091 in words is "two million, seven hundred fifty-five thousand, ninety-one".