54279491638 has 8 divisors (see below), whose sum is σ = 81471200832. Its totient is φ = 27122424696.

The previous prime is 54279491611. The next prime is 54279491639. The reversal of 54279491638 is 83619497245.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54279491639) 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, 8656645 + ... + 8662912.

It is an arithmetic number, because the mean of its divisors is an integer number (10183900104).

Almost surely, 2^54279491638 is an apocalyptic number.

54279491638 is a deficient number, since it is larger than the sum of its proper divisors (27191709194).

54279491638 is a wasteful number, since it uses less digits than its factorization.

54279491638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17321126.

The product of its digits is 13063680, while the sum is 58.

The spelling of 54279491638 in words is "fifty-four billion, two hundred seventy-nine million, four hundred ninety-one thousand, six hundred thirty-eight".