5555448901 has 2 divisors, whose sum is σ = 5555448902. Its totient is φ = 5555448900.

The previous prime is 5555448851. The next prime is 5555448929. The reversal of 5555448901 is 1098445555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4678696801 + 876752100 = 68401^2 + 29610^2 .

It is a cyclic number.

It is not a de Polignac number, because 5555448901 - 2⁹ = 5555448389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5555148901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777724450 + 2777724451.

It is an arithmetic number, because the mean of its divisors is an integer number (2777724451).

Almost surely, 2^5555448901 is an apocalyptic number.

It is an amenable number.

5555448901 is a deficient number, since it is larger than the sum of its proper divisors (1).

5555448901 is an equidigital number, since it uses as much as digits as its factorization.

5555448901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720000, while the sum is 46.

The square root of 5555448901 is about 74534.8837860501. The cubic root of 5555448901 is about 1771.0862814941.

The spelling of 5555448901 in words is "five billion, five hundred fifty-five million, four hundred forty-eight thousand, nine hundred one".