54442020042 has 24 divisors (see below), whose sum is σ = 117974534340. Its totient is φ = 18144751680.

The previous prime is 54442020041. The next prime is 54442020053. The reversal of 54442020042 is 24002024445.

It can be written as a sum of positive squares in 2 ways, for example, as 54395766441 + 46253601 = 233229^2 + 6801^2 .

It is a junction number, because it is equal to n+sod(n) for n = 54442019988 and 54442020015.

It is not an unprimeable number, because it can be changed into a prime (54442020041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83809 + ... + 340452.

Almost surely, 2^54442020042 is an apocalyptic number.

54442020042 is an abundant number, since it is smaller than the sum of its proper divisors (63532514298).

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

54442020042 is a wasteful number, since it uses less digits than its factorization.

54442020042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431398 (or 431395 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

Adding to 54442020042 its reverse (24002024445), we get a palindrome (78444044487).

The spelling of 54442020042 in words is "fifty-four billion, four hundred forty-two million, twenty thousand, forty-two".