54142204442 has 8 divisors (see below), whose sum is σ = 82544672532. Its totient is φ = 26627313600.

The previous prime is 54142204427. The next prime is 54142204507. The reversal of 54142204442 is 24440224145.

It can be written as a sum of positive squares in 2 ways, for example, as 32436370201 + 21705834241 = 180101^2 + 147329^2 .

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 = 54142204399 and 54142204408.

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, 221894159 + ... + 221894402.

Almost surely, 2^54142204442 is an apocalyptic number.

54142204442 is a deficient number, since it is larger than the sum of its proper divisors (28402468090).

54142204442 is a wasteful number, since it uses less digits than its factorization.

54142204442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443788624.

The product of its (nonzero) digits is 40960, while the sum is 32.

Adding to 54142204442 its reverse (24440224145), we get a palindrome (78582428587).

The spelling of 54142204442 in words is "fifty-four billion, one hundred forty-two million, two hundred four thousand, four hundred forty-two".