55055025503 has 16 divisors (see below), whose sum is σ = 58338662400. Its totient is φ = 51849283200.

The previous prime is 55055025497. The next prime is 55055025539. The reversal of 55055025503 is 30552055055.

It is a cyclic number.

It is not a de Polignac number, because 55055025503 - 2⁸ = 55055025247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55055025703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 610103 + ... + 694503.

It is an arithmetic number, because the mean of its divisors is an integer number (3646166400).

Almost surely, 2^55055025503 is an apocalyptic number.

55055025503 is a deficient number, since it is larger than the sum of its proper divisors (3283636897).

55055025503 is a wasteful number, since it uses less digits than its factorization.

55055025503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84862.

The product of its (nonzero) digits is 93750, while the sum is 35.

The spelling of 55055025503 in words is "fifty-five billion, fifty-five million, twenty-five thousand, five hundred three".