55121360601662 has 4 divisors (see below), whose sum is σ = 82682040902496. Its totient is φ = 27560680300830.

The previous prime is 55121360601641. The next prime is 55121360601701. The reversal of 55121360601662 is 26610606312155.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13780340150414 + ... + 13780340150417.

It is an arithmetic number, because the mean of its divisors is an integer number (20670510225624).

Almost surely, 2^{55121360601662} is an apocalyptic number.

55121360601662 is a deficient number, since it is larger than the sum of its proper divisors (27560680300834).

55121360601662 is a wasteful number, since it uses less digits than its factorization.

55121360601662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27560680300833.

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 55121360601662 in words is "fifty-five trillion, one hundred twenty-one billion, three hundred sixty million, six hundred one thousand, six hundred sixty-two".