55003075805 has 4 divisors (see below), whose sum is σ = 66003690972. Its totient is φ = 44002460640.

The previous prime is 55003075801. The next prime is 55003075811. The reversal of 55003075805 is 50857030055.

55003075805 is digitally balanced in base 11, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13273574521 + 41729501284 = 115211^2 + 204278^2 .

It is not a de Polignac number, because 55003075805 - 2² = 55003075801 is a prime.

It is a Duffinian number.

55003075805 is strictly pandigital in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55003075801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5500307576 + ... + 5500307585.

It is an arithmetic number, because the mean of its divisors is an integer number (16500922743).

Almost surely, 2^55003075805 is an apocalyptic number.

It is an amenable number.

55003075805 is a deficient number, since it is larger than the sum of its proper divisors (11000615167).

55003075805 is a wasteful number, since it uses less digits than its factorization.

55003075805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11000615166.

The product of its (nonzero) digits is 105000, while the sum is 38.

The spelling of 55003075805 in words is "fifty-five billion, three million, seventy-five thousand, eight hundred five".