5545491 has 8 divisors (see below), whose sum is σ = 8450304. Its totient is φ = 3168840.

The previous prime is 5545487. The next prime is 5545493. The reversal of 5545491 is 1945455.

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

It is not a de Polignac number, because 5545491 - 2² = 5545487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5545493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132015 + ... + 132056.

It is an arithmetic number, because the mean of its divisors is an integer number (1056288).

Almost surely, 2^5545491 is an apocalyptic number.

5545491 is a deficient number, since it is larger than the sum of its proper divisors (2904813).

5545491 is a wasteful number, since it uses less digits than its factorization.

5545491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264081.

The product of its digits is 18000, while the sum is 33.

The square root of 5545491 is about 2354.8866214746. The cubic root of 5545491 is about 177.0027450179.

The spelling of 5545491 in words is "five million, five hundred forty-five thousand, four hundred ninety-one".