51406166055 has 8 divisors (see below), whose sum is σ = 82249865712. Its totient is φ = 27416621888.

The previous prime is 51406165981. The next prime is 51406166153. The reversal of 51406166055 is 55066160415.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51406166055 - 2⁸ = 51406165799 is a prime.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 1713538854 + ... + 1713538883.

It is an arithmetic number, because the mean of its divisors is an integer number (10281233214).

Almost surely, 2^51406166055 is an apocalyptic number.

51406166055 is a deficient number, since it is larger than the sum of its proper divisors (30843699657).

51406166055 is a wasteful number, since it uses less digits than its factorization.

51406166055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3427077745.

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 51406166055 in words is "fifty-one billion, four hundred six million, one hundred sixty-six thousand, fifty-five".