5291050591 has 4 divisors (see below), whose sum is σ = 5300723992. Its totient is φ = 5281377192.

The previous prime is 5291050547. The next prime is 5291050601. The reversal of 5291050591 is 1950501925.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5291050591 - 2²³ = 5282661983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5291050591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5291050091) 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, 4835880 + ... + 4836973.

It is an arithmetic number, because the mean of its divisors is an integer number (1325180998).

Almost surely, 2^5291050591 is an apocalyptic number.

5291050591 is a deficient number, since it is larger than the sum of its proper divisors (9673401).

5291050591 is an equidigital number, since it uses as much as digits as its factorization.

5291050591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9673400.

The product of its (nonzero) digits is 20250, while the sum is 37.

The square root of 5291050591 is about 72739.6081306464. The cubic root of 5291050591 is about 1742.5315015641.

The spelling of 5291050591 in words is "five billion, two hundred ninety-one million, fifty thousand, five hundred ninety-one".