5591278073 has 4 divisors (see below), whose sum is σ = 5591488848. Its totient is φ = 5591067300.

The previous prime is 5591278031. The next prime is 5591278139. The reversal of 5591278073 is 3708721955.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5591278073 is a prime.

It is a super-2 number, since 2×5591278073² = 62524780979221186658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5591278013) 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, 58703 + ... + 120948.

It is an arithmetic number, because the mean of its divisors is an integer number (1397872212).

Almost surely, 2^5591278073 is an apocalyptic number.

It is an amenable number.

5591278073 is a deficient number, since it is larger than the sum of its proper divisors (210775).

5591278073 is a wasteful number, since it uses less digits than its factorization.

5591278073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210774.

The product of its (nonzero) digits is 529200, while the sum is 47.

The square root of 5591278073 is about 74774.8492007841. The cubic root of 5591278073 is about 1774.8855918325.

The spelling of 5591278073 in words is "five billion, five hundred ninety-one million, two hundred seventy-eight thousand, seventy-three".