54242123434 has 8 divisors (see below), whose sum is σ = 81572346180. Its totient is φ = 27051341376.

The previous prime is 54242123417. The next prime is 54242123437. The reversal of 54242123434 is 43432124245.

It can be written as a sum of positive squares in 2 ways, for example, as 53840241225 + 401882209 = 232035^2 + 20047^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 54242123434.

It is not an unprimeable number, because it can be changed into a prime (54242123437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34859199 + ... + 34860754.

Almost surely, 2^54242123434 is an apocalyptic number.

54242123434 is a deficient number, since it is larger than the sum of its proper divisors (27330222746).

54242123434 is a wasteful number, since it uses less digits than its factorization.

54242123434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69720344.

The product of its digits is 92160, while the sum is 34.

Adding to 54242123434 its reverse (43432124245), we get a palindrome (97674247679).

The spelling of 54242123434 in words is "fifty-four billion, two hundred forty-two million, one hundred twenty-three thousand, four hundred thirty-four".