5498991 has 12 divisors (see below), whose sum is σ = 7964632. Its totient is φ = 3656016.

The previous prime is 5498981. The next prime is 5498993. The reversal of 5498991 is 1998945.

It is not a de Polignac number, because 5498991 - 2¹¹ = 5496943 is a prime.

It is a Duffinian number.

5498991 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5498993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4365 + ... + 5481.

Almost surely, 2^5498991 is an apocalyptic number.

5498991 is a deficient number, since it is larger than the sum of its proper divisors (2465641).

5498991 is a wasteful number, since it uses less digits than its factorization.

5498991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670 (or 1667 counting only the distinct ones).

The product of its digits is 116640, while the sum is 45.

The square root of 5498991 is about 2344.9927505218. The cubic root of 5498991 is about 176.5066217987.

The spelling of 5498991 in words is "five million, four hundred ninety-eight thousand, nine hundred ninety-one".