54806321042 has 54 divisors (see below), whose sum is σ = 91882658847. Its totient is φ = 24499772000.

The previous prime is 54806321023. The next prime is 54806321111. The reversal of 54806321042 is 24012360845.

It can be written as a sum of positive squares in 5 ways, for example, as 35501719561 + 19304601481 = 188419^2 + 138941^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=165539.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54806320993 and 54806321011.

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 367827584 + ... + 367827732.

Almost surely, 2^54806321042 is an apocalyptic number.

54806321042 is a deficient number, since it is larger than the sum of its proper divisors (37076337805).

54806321042 is a wasteful number, since it uses less digits than its factorization.

54806321042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 54806321042 its reverse (24012360845), we get a palindrome (78818681887).

The spelling of 54806321042 in words is "fifty-four billion, eight hundred six million, three hundred twenty-one thousand, forty-two".