5445091 has 4 divisors (see below), whose sum is σ = 5560992. Its totient is φ = 5329192.

The previous prime is 5445079. The next prime is 5445103. The reversal of 5445091 is 1905445.

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

It is an interprime number because it is at equal distance from previous prime (5445079) and next prime (5445103).

It is a cyclic number.

It is not a de Polignac number, because 5445091 - 2¹⁷ = 5314019 is a prime.

It is a Duffinian number.

5445091 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5445071) 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, 57880 + ... + 57973.

It is an arithmetic number, because the mean of its divisors is an integer number (1390248).

Almost surely, 2^5445091 is an apocalyptic number.

5445091 is a deficient number, since it is larger than the sum of its proper divisors (115901).

5445091 is a wasteful number, since it uses less digits than its factorization.

5445091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115900.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 5445091 is about 2333.4718768393. The cubic root of 5445091 is about 175.9280331627.

It can be divided in two parts, 5 and 445091, that added together give a triangular number (445096 = T₉₄₃).

The spelling of 5445091 in words is "five million, four hundred forty-five thousand, ninety-one".