55805030573 has 2 divisors, whose sum is σ = 55805030574. Its totient is φ = 55805030572.

The previous prime is 55805030557. The next prime is 55805030579. The reversal of 55805030573 is 37503050855.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41356509769 + 14448520804 = 203363^2 + 120202^2 .

It is a cyclic number.

It is not a de Polignac number, because 55805030573 - 2⁴ = 55805030557 is a prime.

It is a super-2 number, since 2×55805030573² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55805030573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55805030579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27902515286 + 27902515287.

It is an arithmetic number, because the mean of its divisors is an integer number (27902515287).

Almost surely, 2^55805030573 is an apocalyptic number.

It is an amenable number.

55805030573 is a deficient number, since it is larger than the sum of its proper divisors (1).

55805030573 is an equidigital number, since it uses as much as digits as its factorization.

55805030573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 315000, while the sum is 41.

The spelling of 55805030573 in words is "fifty-five billion, eight hundred five million, thirty thousand, five hundred seventy-three".