5274557891 has 8 divisors (see below), whose sum is σ = 5409705840. Its totient is φ = 5139977472.

The previous prime is 5274557843. The next prime is 5274557929. The reversal of 5274557891 is 1987554725.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5274557891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5274557291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123026 + ... + 160263.

It is an arithmetic number, because the mean of its divisors is an integer number (676213230).

Almost surely, 2^5274557891 is an apocalyptic number.

5274557891 is a deficient number, since it is larger than the sum of its proper divisors (135147949).

5274557891 is a wasteful number, since it uses less digits than its factorization.

5274557891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283765.

The product of its digits is 3528000, while the sum is 53.

The square root of 5274557891 is about 72626.1515640200. The cubic root of 5274557891 is about 1740.7190724829.

The spelling of 5274557891 in words is "five billion, two hundred seventy-four million, five hundred fifty-seven thousand, eight hundred ninety-one".