55038353872203 has 24 divisors (see below), whose sum is σ = 85853699699040. Its totient is φ = 33775411478400.

The previous prime is 55038353872181. The next prime is 55038353872211. The reversal of 55038353872203 is 30227835383055.

55038353872203 is a `hidden beast` number, since 5 + 5 + 0 + 3 + 8 + 35 + 387 + 220 + 3 = 666.

It is not a de Polignac number, because 55038353872203 - 2⁹ = 55038353871691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55038353872203.

It is not an unprimeable number, because it can be changed into a prime (55038353872213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 655129698 + ... + 655213703.

It is an arithmetic number, because the mean of its divisors is an integer number (3577237487460).

Almost surely, 2^{55038353872203} is an apocalyptic number.

55038353872203 is a deficient number, since it is larger than the sum of its proper divisors (30815345826837).

55038353872203 is a wasteful number, since it uses less digits than its factorization.

55038353872203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310343779 (or 1310343776 counting only the distinct ones).

The product of its (nonzero) digits is 18144000, while the sum is 54.

The spelling of 55038353872203 in words is "fifty-five trillion, thirty-eight billion, three hundred fifty-three million, eight hundred seventy-two thousand, two hundred three".