54642159279 has 14 divisors (see below), whose sum is σ = 81925762536. Its totient is φ = 36428105700.

The previous prime is 54642159277. The next prime is 54642159293. The reversal of 54642159279 is 97295124645.

It is a happy number.

54642159279 is a `hidden beast` number, since 5 + 4 + 6 + 42 + 1 + 592 + 7 + 9 = 666.

It is not a de Polignac number, because 54642159279 - 2¹ = 54642159277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54642159277) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 37476747 + ... + 37478204.

Almost surely, 2^54642159279 is an apocalyptic number.

54642159279 is a deficient number, since it is larger than the sum of its proper divisors (27283603257).

54642159279 is an frugal number, since it uses more digits than its factorization.

54642159279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74954969 (or 74954954 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The spelling of 54642159279 in words is "fifty-four billion, six hundred forty-two million, one hundred fifty-nine thousand, two hundred seventy-nine".