5525236891 has 4 divisors (see below), whose sum is σ = 5537170912. Its totient is φ = 5513302872.

The previous prime is 5525236867. The next prime is 5525236903. The reversal of 5525236891 is 1986325255.

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 5525236891 - 2¹¹ = 5525234843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5525236811) 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, 5966316 + ... + 5967241.

It is an arithmetic number, because the mean of its divisors is an integer number (1384292728).

Almost surely, 2^5525236891 is an apocalyptic number.

5525236891 is a deficient number, since it is larger than the sum of its proper divisors (11934021).

5525236891 is a wasteful number, since it uses less digits than its factorization.

5525236891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11934020.

The product of its digits is 648000, while the sum is 46.

The square root of 5525236891 is about 74331.9372208205. The cubic root of 5525236891 is about 1767.8698976892.

The spelling of 5525236891 in words is "five billion, five hundred twenty-five million, two hundred thirty-six thousand, eight hundred ninety-one".