55027306503 has 24 divisors (see below), whose sum is σ = 88768334928. Its totient is φ = 33862955904.

The previous prime is 55027306489. The next prime is 55027306519. The reversal of 55027306503 is 30560372055.

55027306503 is a `hidden beast` number, since 550 + 27 + 30 + 6 + 50 + 3 = 666.

It is not a de Polignac number, because 55027306503 - 2¹⁰ = 55027305479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55027306553) 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, 8706450 + ... + 8712767.

It is an arithmetic number, because the mean of its divisors is an integer number (3698680622).

Almost surely, 2^55027306503 is an apocalyptic number.

55027306503 is a deficient number, since it is larger than the sum of its proper divisors (33741028425).

55027306503 is a wasteful number, since it uses less digits than its factorization.

55027306503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17419245 (or 17419233 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 36.

Adding to 55027306503 its reverse (30560372055), we get a palindrome (85587678558).

The spelling of 55027306503 in words is "fifty-five billion, twenty-seven million, three hundred six thousand, five hundred three".