5538871097 has 4 divisors (see below), whose sum is σ = 5673965556. Its totient is φ = 5403776640.

The previous prime is 5538871081. The next prime is 5538871139. The reversal of 5538871097 is 7901788355.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2509909801 + 3028961296 = 50099^2 + 55036^2 .

It is a cyclic number.

It is not a de Polignac number, because 5538871097 - 2⁴ = 5538871081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5538871997) 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, 67547168 + ... + 67547249.

It is an arithmetic number, because the mean of its divisors is an integer number (1418491389).

Almost surely, 2^5538871097 is an apocalyptic number.

It is an amenable number.

5538871097 is a deficient number, since it is larger than the sum of its proper divisors (135094459).

5538871097 is a wasteful number, since it uses less digits than its factorization.

5538871097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135094458.

The product of its (nonzero) digits is 2116800, while the sum is 53.

The square root of 5538871097 is about 74423.5923414074. The cubic root of 5538871097 is about 1769.3228491705.

The spelling of 5538871097 in words is "five billion, five hundred thirty-eight million, eight hundred seventy-one thousand, ninety-seven".