5545269491 has 32 divisors (see below), whose sum is σ = 6399590400. Its totient is φ = 4770109440.

The previous prime is 5545269473. The next prime is 5545269493. The reversal of 5545269491 is 1949625455.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5545269491 - 2³⁰ = 4471527667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5545269493) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4334990 + ... + 4336268.

It is an arithmetic number, because the mean of its divisors is an integer number (199987200).

Almost surely, 2^5545269491 is an apocalyptic number.

5545269491 is a deficient number, since it is larger than the sum of its proper divisors (854320909).

5545269491 is a wasteful number, since it uses less digits than its factorization.

5545269491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779.

The product of its digits is 1944000, while the sum is 50.

The square root of 5545269491 is about 74466.5662629881. The cubic root of 5545269491 is about 1770.0038825497.

The spelling of 5545269491 in words is "five billion, five hundred forty-five million, two hundred sixty-nine thousand, four hundred ninety-one".