54123012503 has 8 divisors (see below), whose sum is σ = 61858755072. Its totient is φ = 46388240856.

The previous prime is 54123012473. The next prime is 54123012509. The reversal of 54123012503 is 30521032145.

It is a happy number.

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 54123012503 - 2²⁶ = 54055903639 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54123012509) 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, 119075 + ... + 349892.

It is an arithmetic number, because the mean of its divisors is an integer number (7732344384).

Almost surely, 2^54123012503 is an apocalyptic number.

54123012503 is a deficient number, since it is larger than the sum of its proper divisors (7735742569).

54123012503 is a wasteful number, since it uses less digits than its factorization.

54123012503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485461.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 54123012503 its reverse (30521032145), we get a palindrome (84644044648).

The spelling of 54123012503 in words is "fifty-four billion, one hundred twenty-three million, twelve thousand, five hundred three".