55087921798124 has 12 divisors (see below), whose sum is σ = 98222803961184. Its totient is φ = 27024263523504.

The previous prime is 55087921798079. The next prime is 55087921798153. The reversal of 55087921798124 is 42189712978055.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129924343652 + ... + 129924344075.

It is an arithmetic number, because the mean of its divisors is an integer number (8185233663432).

Almost surely, 2^{55087921798124} is an apocalyptic number.

It is an amenable number.

55087921798124 is a deficient number, since it is larger than the sum of its proper divisors (43134882163060).

55087921798124 is a wasteful number, since it uses less digits than its factorization.

55087921798124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259848687784 (or 259848687782 counting only the distinct ones).

The product of its (nonzero) digits is 101606400, while the sum is 68.

The spelling of 55087921798124 in words is "fifty-five trillion, eighty-seven billion, nine hundred twenty-one million, seven hundred ninety-eight thousand, one hundred twenty-four".