55255028025503 has 4 divisors (see below), whose sum is σ = 55255571638848. Its totient is φ = 55254484412160.

The previous prime is 55255028025493. The next prime is 55255028025517. The reversal of 55255028025503 is 30552082055255.

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

It is a cyclic number.

It is not a de Polignac number, because 55255028025503 - 2⁴ = 55255028025487 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 (55255028025523) 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 3 ways as a sum of consecutive naturals, for example, 271654178 + ... + 271857503.

It is an arithmetic number, because the mean of its divisors is an integer number (13813892909712).

Almost surely, 2^{55255028025503} is an apocalyptic number.

55255028025503 is a deficient number, since it is larger than the sum of its proper divisors (543613345).

55255028025503 is a wasteful number, since it uses less digits than its factorization.

55255028025503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543613344.

The product of its (nonzero) digits is 3000000, while the sum is 47.

The spelling of 55255028025503 in words is "fifty-five trillion, two hundred fifty-five billion, twenty-eight million, twenty-five thousand, five hundred three".