51006100055 has 8 divisors (see below), whose sum is σ = 61224310752. Its totient is φ = 40793552928.

The previous prime is 51006100021. The next prime is 51006100087. The reversal of 51006100055 is 55000160015.

51006100055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51006100055 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51006100055.

It is a congruent number.

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, 1396052 + ... + 1432121.

It is an arithmetic number, because the mean of its divisors is an integer number (7653038844).

Almost surely, 2^51006100055 is an apocalyptic number.

51006100055 is a deficient number, since it is larger than the sum of its proper divisors (10218210697).

51006100055 is a wasteful number, since it uses less digits than its factorization.

51006100055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831785.

The product of its (nonzero) digits is 750, while the sum is 23.

The spelling of 51006100055 in words is "fifty-one billion, six million, one hundred thousand, fifty-five".