5538791097 has 112 divisors (see below), whose sum is σ = 10261958400. Its totient is φ = 2976559488.

The previous prime is 5538791087. The next prime is 5538791143. The reversal of 5538791097 is 7901978355.

5538791097 is a `hidden beast` number, since 5 + 538 + 7 + 9 + 10 + 97 = 666.

It is not a de Polignac number, because 5538791097 - 2⁴ = 5538791081 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5538791017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 4250148 + ... + 4251450.

Almost surely, 2^5538791097 is an apocalyptic number.

It is an amenable number.

5538791097 is a deficient number, since it is larger than the sum of its proper divisors (4723167303).

5538791097 is an equidigital number, since it uses as much as digits as its factorization.

5538791097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359 (or 1330 counting only the distinct ones).

The product of its (nonzero) digits is 2381400, while the sum is 54.

The square root of 5538791097 is about 74423.0548754887. The cubic root of 5538791097 is about 1769.3143307976.

The spelling of 5538791097 in words is "five billion, five hundred thirty-eight million, seven hundred ninety-one thousand, ninety-seven".