5491152545 has 8 divisors (see below), whose sum is σ = 6639684480. Its totient is φ = 4359387760.

The previous prime is 5491152539. The next prime is 5491152553. The reversal of 5491152545 is 5452511945.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-5491152545 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4191065 + ... + 4192374.

It is an arithmetic number, because the mean of its divisors is an integer number (829960560).

Almost surely, 2^5491152545 is an apocalyptic number.

It is an amenable number.

5491152545 is a deficient number, since it is larger than the sum of its proper divisors (1148531935).

5491152545 is a wasteful number, since it uses less digits than its factorization.

5491152545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8383575.

The product of its digits is 180000, while the sum is 41.

The square root of 5491152545 is about 74102.3113337229. The cubic root of 5491152545 is about 1764.2271567146.

The spelling of 5491152545 in words is "five billion, four hundred ninety-one million, one hundred fifty-two thousand, five hundred forty-five".