5455271993 has 2 divisors, whose sum is σ = 5455271994. Its totient is φ = 5455271992.

The previous prime is 5455271989. The next prime is 5455272023. The reversal of 5455271993 is 3991725545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3427751209 + 2027520784 = 58547^2 + 45028^2 .

It is a cyclic number.

It is not a de Polignac number, because 5455271993 - 2² = 5455271989 is a prime.

It is a super-2 number, since 2×5455271993² = 59519985035220384098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5455279993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2727635996 + 2727635997.

It is an arithmetic number, because the mean of its divisors is an integer number (2727635997).

Almost surely, 2^5455271993 is an apocalyptic number.

It is an amenable number.

5455271993 is a deficient number, since it is larger than the sum of its proper divisors (1).

5455271993 is an equidigital number, since it uses as much as digits as its factorization.

5455271993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1701000, while the sum is 50.

The square root of 5455271993 is about 73859.8131124091. The cubic root of 5455271993 is about 1760.3761240949.

The spelling of 5455271993 in words is "five billion, four hundred fifty-five million, two hundred seventy-one thousand, nine hundred ninety-three".