5575840397 has 2 divisors, whose sum is σ = 5575840398. Its totient is φ = 5575840396.

The previous prime is 5575840379. The next prime is 5575840423. The reversal of 5575840397 is 7930485755.

5575840397 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (5575840379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4067760841 + 1508079556 = 63779^2 + 38834^2 .

It is a cyclic number.

It is not a de Polignac number, because 5575840397 - 2²⁰ = 5574791821 is a prime.

It is a super-2 number, since 2×5575840397² = 62179992265634235218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5575840337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2787920198 + 2787920199.

It is an arithmetic number, because the mean of its divisors is an integer number (2787920199).

Almost surely, 2^5575840397 is an apocalyptic number.

It is an amenable number.

5575840397 is a deficient number, since it is larger than the sum of its proper divisors (1).

5575840397 is an equidigital number, since it uses as much as digits as its factorization.

5575840397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292000, while the sum is 53.

The square root of 5575840397 is about 74671.5501178327. The cubic root of 5575840397 is about 1773.2505831285.

The spelling of 5575840397 in words is "five billion, five hundred seventy-five million, eight hundred forty thousand, three hundred ninety-seven".