55615614143142 has 16 divisors (see below), whose sum is σ = 111379339118592. Its totient is φ = 18513852909000.

The previous prime is 55615614143129. The next prime is 55615614143143. The reversal of 55615614143142 is 24134141651655.

It is a junction number, because it is equal to n+sod(n) for n = 55615614143091 and 55615614143100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55615614143143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6171279798 + ... + 6171288809.

It is an arithmetic number, because the mean of its divisors is an integer number (6961208694912).

Almost surely, 2^{55615614143142} is an apocalyptic number.

55615614143142 is an abundant number, since it is smaller than the sum of its proper divisors (55763724975450).

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

55615614143142 is a wasteful number, since it uses less digits than its factorization.

55615614143142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12342569363.

The product of its digits is 1728000, while the sum is 48.

Adding to 55615614143142 its reverse (24134141651655), we get a palindrome (79749755794797).

The spelling of 55615614143142 in words is "fifty-five trillion, six hundred fifteen billion, six hundred fourteen million, one hundred forty-three thousand, one hundred forty-two".