54112113421 has 4 divisors (see below), whose sum is σ = 54125757952. Its totient is φ = 54098468892.

The previous prime is 54112113331. The next prime is 54112113467. The reversal of 54112113421 is 12431121145.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54112113421 - 2⁹ = 54112112909 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 (54112110421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6816315 + ... + 6824248.

It is an arithmetic number, because the mean of its divisors is an integer number (13531439488).

Almost surely, 2^54112113421 is an apocalyptic number.

It is an amenable number.

54112113421 is a deficient number, since it is larger than the sum of its proper divisors (13644531).

54112113421 is a wasteful number, since it uses less digits than its factorization.

54112113421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13644530.

The product of its digits is 960, while the sum is 25.

Adding to 54112113421 its reverse (12431121145), we get a palindrome (66543234566).

The spelling of 54112113421 in words is "fifty-four billion, one hundred twelve million, one hundred thirteen thousand, four hundred twenty-one".