55194503 has 16 divisors (see below), whose sum is σ = 70887936. Its totient is φ = 41770080.

The previous prime is 55194493. The next prime is 55194521. The reversal of 55194503 is 30549155.

55194503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 55194503 - 2⁸ = 55194247 is a prime.

It is a super-2 number, since 2×55194503² = 6092866322834018, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55194503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55194583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11093 + ... + 15278.

It is an arithmetic number, because the mean of its divisors is an integer number (4430496).

Almost surely, 2^55194503 is an apocalyptic number.

55194503 is a deficient number, since it is larger than the sum of its proper divisors (15693433).

55194503 is a wasteful number, since it uses less digits than its factorization.

55194503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26414.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 55194503 is about 7429.3003035279. The cubic root of 55194503 is about 380.7430130007.

The spelling of 55194503 in words is "fifty-five million, one hundred ninety-four thousand, five hundred three".