5390555557 has 2 divisors, whose sum is σ = 5390555558. Its totient is φ = 5390555556.

The previous prime is 5390555509. The next prime is 5390555561. The reversal of 5390555557 is 7555550935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3729667041 + 1660888516 = 61071^2 + 40754^2 .

It is a cyclic number.

It is not a de Polignac number, because 5390555557 - 2²⁷ = 5256337829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5390555557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5390555657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2695277778 + 2695277779.

It is an arithmetic number, because the mean of its divisors is an integer number (2695277779).

Almost surely, 2^5390555557 is an apocalyptic number.

It is an amenable number.

5390555557 is a deficient number, since it is larger than the sum of its proper divisors (1).

5390555557 is an equidigital number, since it uses as much as digits as its factorization.

5390555557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2953125, while the sum is 49.

The square root of 5390555557 is about 73420.4028659609. The cubic root of 5390555557 is about 1753.3872416604.

The spelling of 5390555557 in words is "five billion, three hundred ninety million, five hundred fifty-five thousand, five hundred fifty-seven".