55004215440503 has 8 divisors (see below), whose sum is σ = 63449455462272. Its totient is φ = 46705849158456.

The previous prime is 55004215440497. The next prime is 55004215440511. The reversal of 55004215440503 is 30504451240055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55004215440503 - 2⁸ = 55004215440247 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 (55004215442503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36718434125 + ... + 36718435622.

It is an arithmetic number, because the mean of its divisors is an integer number (7931181932784).

Almost surely, 2^{55004215440503} is an apocalyptic number.

55004215440503 is a deficient number, since it is larger than the sum of its proper divisors (8445240021769).

55004215440503 is a wasteful number, since it uses less digits than its factorization.

55004215440503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73436869861.

The product of its (nonzero) digits is 240000, while the sum is 38.

Adding to 55004215440503 its reverse (30504451240055), we get a palindrome (85508666680558).

The spelling of 55004215440503 in words is "fifty-five trillion, four billion, two hundred fifteen million, four hundred forty thousand, five hundred three".