5555021873 has 2 divisors, whose sum is σ = 5555021874. Its totient is φ = 5555021872.

The previous prime is 5555021861. The next prime is 5555021911. The reversal of 5555021873 is 3781205555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5291544049 + 263477824 = 72743^2 + 16232^2 .

It is a cyclic number.

It is not a de Polignac number, because 5555021873 - 2⁶ = 5555021809 is a prime.

It is a super-3 number, since 3×5555021873³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5555021873.

It is not a weakly prime, because it can be changed into another prime (5555029873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777510936 + 2777510937.

It is an arithmetic number, because the mean of its divisors is an integer number (2777510937).

Almost surely, 2^5555021873 is an apocalyptic number.

It is an amenable number.

5555021873 is a deficient number, since it is larger than the sum of its proper divisors (1).

5555021873 is an equidigital number, since it uses as much as digits as its factorization.

5555021873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210000, while the sum is 41.

The square root of 5555021873 is about 74532.0191125935. The cubic root of 5555021873 is about 1771.0409012542.

The spelling of 5555021873 in words is "five billion, five hundred fifty-five million, twenty-one thousand, eight hundred seventy-three".