55028052550503 has 40 divisors (see below), whose sum is σ = 84210686649936. Its totient is φ = 35789179190400.

The previous prime is 55028052550487. The next prime is 55028052550553. The reversal of 55028052550503 is 30505525082055.

55028052550503 is a `hidden beast` number, since 5 + 5 + 0 + 28 + 0 + 525 + 50 + 50 + 3 = 666.

It is not a de Polignac number, because 55028052550503 - 2⁴ = 55028052550487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55028052550553) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 86597325 + ... + 87230457.

Almost surely, 2^{55028052550503} is an apocalyptic number.

55028052550503 is a deficient number, since it is larger than the sum of its proper divisors (29182634099433).

55028052550503 is a wasteful number, since it uses less digits than its factorization.

55028052550503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659357 (or 659348 counting only the distinct ones).

The product of its (nonzero) digits is 1500000, while the sum is 45.

The spelling of 55028052550503 in words is "fifty-five trillion, twenty-eight billion, fifty-two million, five hundred fifty thousand, five hundred three".