54639432542 has 8 divisors (see below), whose sum is σ = 82320203016. Its totient is φ = 27199364872.

The previous prime is 54639432541. The next prime is 54639432557. The reversal of 54639432542 is 24523493645.

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 (54639432541) 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, 60175133 + ... + 60176040.

It is an arithmetic number, because the mean of its divisors is an integer number (10290025377).

Almost surely, 2^54639432542 is an apocalyptic number.

54639432542 is a deficient number, since it is larger than the sum of its proper divisors (27680770474).

54639432542 is a wasteful number, since it uses less digits than its factorization.

54639432542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120351402.

The product of its digits is 3110400, while the sum is 47.

The spelling of 54639432542 in words is "fifty-four billion, six hundred thirty-nine million, four hundred thirty-two thousand, five hundred forty-two".