5491553667 has 16 divisors (see below), whose sum is σ = 7383391488. Its totient is φ = 3630417440.

The previous prime is 5491553659. The next prime is 5491553677. The reversal of 5491553667 is 7663551945.

It is a cyclic number.

It is not a de Polignac number, because 5491553667 - 2³ = 5491553659 is a prime.

It is a super-2 number, since 2×5491553667² = 60314323355082293778, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5491553677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 629578 + ... + 638240.

It is an arithmetic number, because the mean of its divisors is an integer number (461461968).

Almost surely, 2^5491553667 is an apocalyptic number.

5491553667 is a deficient number, since it is larger than the sum of its proper divisors (1891837821).

5491553667 is a wasteful number, since it uses less digits than its factorization.

5491553667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10410.

The product of its digits is 3402000, while the sum is 51.

The square root of 5491553667 is about 74105.0178260555. The cubic root of 5491553667 is about 1764.2701138830.

The spelling of 5491553667 in words is "five billion, four hundred ninety-one million, five hundred fifty-three thousand, six hundred sixty-seven".