55003028050503 has 24 divisors (see below), whose sum is σ = 87550039488912. Its totient is φ = 33060854066688.

The previous prime is 55003028050489. The next prime is 55003028050613. The reversal of 55003028050503 is 30505082030055.

55003028050503 is a `hidden beast` number, since 5 + 50 + 0 + 30 + 28 + 0 + 50 + 503 = 666.

It is not a de Polignac number, because 55003028050503 - 2¹⁰ = 55003028049479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55003028050703) 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, 5466406026 + ... + 5466416087.

It is an arithmetic number, because the mean of its divisors is an integer number (3647918312038).

Almost surely, 2^{55003028050503} is an apocalyptic number.

55003028050503 is a deficient number, since it is larger than the sum of its proper divisors (32547011438409).

55003028050503 is a wasteful number, since it uses less digits than its factorization.

55003028050503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10932822175 (or 10932822172 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 55003028050503 in words is "fifty-five trillion, three billion, twenty-eight million, fifty thousand, five hundred three".