54406454121 has 12 divisors (see below), whose sum is σ = 79152477040. Its totient is φ = 36010026360.

The previous prime is 54406454119. The next prime is 54406454131. The reversal of 54406454121 is 12145460445.

54406454121 is a `hidden beast` number, since 5 + 4 + 4 + 0 + 645 + 4 + 1 + 2 + 1 = 666.

54406454121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54406454121 - 2¹ = 54406454119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54406454131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21743935 + ... + 21746436.

Almost surely, 2^54406454121 is an apocalyptic number.

It is an amenable number.

54406454121 is a deficient number, since it is larger than the sum of its proper divisors (24746022919).

54406454121 is a wasteful number, since it uses less digits than its factorization.

54406454121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43490516 (or 43490513 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The spelling of 54406454121 in words is "fifty-four billion, four hundred six million, four hundred fifty-four thousand, one hundred twenty-one".