54054445421 has 4 divisors (see below), whose sum is σ = 54326076000. Its totient is φ = 53782814844.

The previous prime is 54054445411. The next prime is 54054445433. The reversal of 54054445421 is 12454445045.

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 a de Polignac number, because none of the positive numbers 2^k-54054445421 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 (54054445411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135814991 + ... + 135815388.

It is an arithmetic number, because the mean of its divisors is an integer number (13581519000).

Almost surely, 2^54054445421 is an apocalyptic number.

It is an amenable number.

54054445421 is a deficient number, since it is larger than the sum of its proper divisors (271630579).

54054445421 is a wasteful number, since it uses less digits than its factorization.

54054445421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271630578.

The product of its (nonzero) digits is 256000, while the sum is 38.

The spelling of 54054445421 in words is "fifty-four billion, fifty-four million, four hundred forty-five thousand, four hundred twenty-one".