55530503003 has 4 divisors (see below), whose sum is σ = 55633147728. Its totient is φ = 55427858280.

The previous prime is 55530502997. The next prime is 55530503023. The reversal of 55530503003 is 30030503555.

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 55530503003 - 2²⁰ = 55529454427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55530503023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51321551 + ... + 51322632.

It is an arithmetic number, because the mean of its divisors is an integer number (13908286932).

Almost surely, 2^55530503003 is an apocalyptic number.

55530503003 is a deficient number, since it is larger than the sum of its proper divisors (102644725).

55530503003 is a wasteful number, since it uses less digits than its factorization.

55530503003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102644724.

The product of its (nonzero) digits is 16875, while the sum is 29.

The spelling of 55530503003 in words is "fifty-five billion, five hundred thirty million, five hundred three thousand, three".