54221045042 has 8 divisors (see below), whose sum is σ = 81391330332. Its totient is φ = 27090601600.

The previous prime is 54221045027. The next prime is 54221045059. The reversal of 54221045042 is 24054012245.

It can be written as a sum of positive squares in 2 ways, for example, as 53930308441 + 290736601 = 232229^2 + 17051^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 54221044996 and 54221045014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9957059 + ... + 9962502.

Almost surely, 2^54221045042 is an apocalyptic number.

54221045042 is a deficient number, since it is larger than the sum of its proper divisors (27170285290).

54221045042 is a wasteful number, since it uses less digits than its factorization.

54221045042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19920924.

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 54221045042 its reverse (24054012245), we get a palindrome (78275057287).

The spelling of 54221045042 in words is "fifty-four billion, two hundred twenty-one million, forty-five thousand, forty-two".