51408289055 has 16 divisors (see below), whose sum is σ = 63883455744. Its totient is φ = 39672771840.

The previous prime is 51408289033. The next prime is 51408289129. The reversal of 51408289055 is 55098280415.

It is a de Polignac number, because none of the positive numbers 2^k-51408289055 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 481304 + ... + 578333.

It is an arithmetic number, because the mean of its divisors is an integer number (3992715984).

Almost surely, 2^51408289055 is an apocalyptic number.

51408289055 is a deficient number, since it is larger than the sum of its proper divisors (12475166689).

51408289055 is a wasteful number, since it uses less digits than its factorization.

51408289055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059986.

The product of its (nonzero) digits is 576000, while the sum is 47.

The spelling of 51408289055 in words is "fifty-one billion, four hundred eight million, two hundred eighty-nine thousand, fifty-five".