55502143355124 has 18 divisors (see below), whose sum is σ = 140297084592210. Its totient is φ = 18500714451696.

The previous prime is 55502143355089. The next prime is 55502143355201. The reversal of 55502143355124 is 42155334120555.

55502143355124 is a `hidden beast` number, since 5 + 5 + 50 + 2 + 1 + 43 + 3 + 551 + 2 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 54135278398224 + 1366864956900 = 7357668^2 + 1169130^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 55502143355124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 770863102119 + ... + 770863102190.

It is an arithmetic number, because the mean of its divisors is an integer number (7794282477345).

Almost surely, 2^{55502143355124} is an apocalyptic number.

It is an amenable number.

55502143355124 is an abundant number, since it is smaller than the sum of its proper divisors (84794941237086).

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

55502143355124 is a wasteful number, since it uses less digits than its factorization.

55502143355124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541726204319 (or 1541726204314 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 45.

Adding to 55502143355124 its reverse (42155334120555), we get a palindrome (97657477475679).

The spelling of 55502143355124 in words is "fifty-five trillion, five hundred two billion, one hundred forty-three million, three hundred fifty-five thousand, one hundred twenty-four".