55142112124 has 24 divisors (see below), whose sum is σ = 107838901296. Its totient is φ = 24453264000.

The previous prime is 55142112119. The next prime is 55142112191. The reversal of 55142112124 is 42121124155.

It is a junction number, because it is equal to n+sod(n) for n = 55142112092 and 55142112101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15281487 + ... + 15285094.

It is an arithmetic number, because the mean of its divisors is an integer number (4493287554).

Almost surely, 2^55142112124 is an apocalyptic number.

It is an amenable number.

55142112124 is a deficient number, since it is larger than the sum of its proper divisors (52696789172).

55142112124 is a wasteful number, since it uses less digits than its factorization.

55142112124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30566637 (or 30566635 counting only the distinct ones).

The product of its digits is 3200, while the sum is 28.

Adding to 55142112124 its reverse (42121124155), we get a palindrome (97263236279).

The spelling of 55142112124 in words is "fifty-five billion, one hundred forty-two million, one hundred twelve thousand, one hundred twenty-four".