55121500675002 has 16 divisors (see below), whose sum is σ = 110350976877792. Its totient is φ = 18355837637040.

The previous prime is 55121500674973. The next prime is 55121500675067. The reversal of 55121500675002 is 20057600512155.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4498973688 + ... + 4498985939.

It is an arithmetic number, because the mean of its divisors is an integer number (6896936054862).

Almost surely, 2^{55121500675002} is an apocalyptic number.

55121500675002 is an abundant number, since it is smaller than the sum of its proper divisors (55229476202790).

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

55121500675002 is a wasteful number, since it uses less digits than its factorization.

55121500675002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8997960653.

The product of its (nonzero) digits is 105000, while the sum is 39.

The spelling of 55121500675002 in words is "fifty-five trillion, one hundred twenty-one billion, five hundred million, six hundred seventy-five thousand, two".