54121662334542 has 32 divisors (see below), whose sum is σ = 118213246831104. Its totient is φ = 16382500971200.

The previous prime is 54121662334511. The next prime is 54121662334559. The reversal of 54121662334542 is 24543326612145.

54121662334542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 54121662334491 and 54121662334500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 450008583 + ... + 450128834.

It is an arithmetic number, because the mean of its divisors is an integer number (3694163963472).

Almost surely, 2^{54121662334542} is an apocalyptic number.

54121662334542 is an abundant number, since it is smaller than the sum of its proper divisors (64091584496562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54121662334542 is a wasteful number, since it uses less digits than its factorization.

54121662334542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900138344.

The product of its digits is 4147200, while the sum is 48.

Adding to 54121662334542 its reverse (24543326612145), we get a palindrome (78664988946687).

The spelling of 54121662334542 in words is "fifty-four trillion, one hundred twenty-one billion, six hundred sixty-two million, three hundred thirty-four thousand, five hundred forty-two".