54242228139 has 8 divisors (see below), whose sum is σ = 78897786432. Its totient is φ = 32874077640.

The previous prime is 54242228129. The next prime is 54242228153. The reversal of 54242228139 is 93182224245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54242228139 - 2⁵ = 54242228107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54242228139.

It is not an unprimeable number, because it can be changed into a prime (54242228129) 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 7 ways as a sum of consecutive naturals, for example, 821851909 + ... + 821851974.

It is an arithmetic number, because the mean of its divisors is an integer number (9862223304).

Almost surely, 2^54242228139 is an apocalyptic number.

54242228139 is a deficient number, since it is larger than the sum of its proper divisors (24655558293).

54242228139 is a wasteful number, since it uses less digits than its factorization.

54242228139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643703897.

The product of its digits is 276480, while the sum is 42.

The spelling of 54242228139 in words is "fifty-four billion, two hundred forty-two million, two hundred twenty-eight thousand, one hundred thirty-nine".