55545243121124 has 12 divisors (see below), whose sum is σ = 98797686535548. Its totient is φ = 27317332682400.

The previous prime is 55545243121099. The next prime is 55545243121169. The reversal of 55545243121124 is 42112134254555.

It can be written as a sum of positive squares in 2 ways, for example, as 5493014063524 + 50052229057600 = 2343718^2 + 7074760^2 .

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, 113822219267 + ... + 113822219754.

It is an arithmetic number, because the mean of its divisors is an integer number (8233140544629).

Almost surely, 2^{55545243121124} is an apocalyptic number.

It is an amenable number.

55545243121124 is a deficient number, since it is larger than the sum of its proper divisors (43252443414424).

55545243121124 is a wasteful number, since it uses less digits than its factorization.

55545243121124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227644439086 (or 227644439084 counting only the distinct ones).

The product of its digits is 960000, while the sum is 44.

Adding to 55545243121124 its reverse (42112134254555), we get a palindrome (97657377375679).

The spelling of 55545243121124 in words is "fifty-five trillion, five hundred forty-five billion, two hundred forty-three million, one hundred twenty-one thousand, one hundred twenty-four".