5499457191 has 6 divisors (see below), whose sum is σ = 7943660400. Its totient is φ = 3666304788.

The previous prime is 5499457123. The next prime is 5499457231. The reversal of 5499457191 is 1917549945.

It is a happy number.

5499457191 is a `hidden beast` number, since 549 + 9 + 4 + 5 + 7 + 1 + 91 = 666.

It is not a de Polignac number, because 5499457191 - 2⁷ = 5499457063 is a prime.

It is a super-2 number, since 2×5499457191² = 60488058791283220962, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5499457091) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 305525391 + ... + 305525408.

It is an arithmetic number, because the mean of its divisors is an integer number (1323943400).

Almost surely, 2^5499457191 is an apocalyptic number.

5499457191 is a deficient number, since it is larger than the sum of its proper divisors (2444203209).

5499457191 is a wasteful number, since it uses less digits than its factorization.

5499457191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611050805 (or 611050802 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 54.

The square root of 5499457191 is about 74158.3251631265. The cubic root of 5499457191 is about 1765.1160959086.

The spelling of 5499457191 in words is "five billion, four hundred ninety-nine million, four hundred fifty-seven thousand, one hundred ninety-one".