5520440591 has 2 divisors, whose sum is σ = 5520440592. Its totient is φ = 5520440590.

The previous prime is 5520440561. The next prime is 5520440603. The reversal of 5520440591 is 1950440255.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5520440591 - 2¹⁴ = 5520424207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5520440501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2760220295 + 2760220296.

It is an arithmetic number, because the mean of its divisors is an integer number (2760220296).

Almost surely, 2^5520440591 is an apocalyptic number.

5520440591 is a deficient number, since it is larger than the sum of its proper divisors (1).

5520440591 is an equidigital number, since it uses as much as digits as its factorization.

5520440591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 5520440591 is about 74299.6675026208. The cubic root of 5520440591 is about 1767.3582038458.

The spelling of 5520440591 in words is "five billion, five hundred twenty million, four hundred forty thousand, five hundred ninety-one".