5490806903 has 4 divisors (see below), whose sum is σ = 5779796760. Its totient is φ = 5201817048.

The previous prime is 5490806899. The next prime is 5490806911. The reversal of 5490806903 is 3096080945.

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 5490806903 - 2² = 5490806899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5490806933) 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, 144494900 + ... + 144494937.

It is an arithmetic number, because the mean of its divisors is an integer number (1444949190).

Almost surely, 2^5490806903 is an apocalyptic number.

5490806903 is a deficient number, since it is larger than the sum of its proper divisors (288989857).

5490806903 is a wasteful number, since it uses less digits than its factorization.

5490806903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288989856.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 5490806903 is about 74099.9791025612. The cubic root of 5490806903 is about 1764.1901393615.

The spelling of 5490806903 in words is "five billion, four hundred ninety million, eight hundred six thousand, nine hundred three".