54654120139 has 4 divisors (see below), whose sum is σ = 57030386256. Its totient is φ = 52277854024.

The previous prime is 54654120133. The next prime is 54654120167. The reversal of 54654120139 is 93102145645.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54654120139 - 2⁷ = 54654120011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54654120133) 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, 1188133024 + ... + 1188133069.

It is an arithmetic number, because the mean of its divisors is an integer number (14257596564).

Almost surely, 2^54654120139 is an apocalyptic number.

54654120139 is a deficient number, since it is larger than the sum of its proper divisors (2376266117).

54654120139 is a wasteful number, since it uses less digits than its factorization.

54654120139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2376266116.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 54654120139 in words is "fifty-four billion, six hundred fifty-four million, one hundred twenty thousand, one hundred thirty-nine".