51010555055 has 8 divisors (see below), whose sum is σ = 61344877632. Its totient is φ = 40720303008.

The previous prime is 51010555019. The next prime is 51010555103. The reversal of 51010555055 is 55055501015.

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 51010555055 - 2¹⁸ = 51010292911 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 11015084 + ... + 11019713.

It is an arithmetic number, because the mean of its divisors is an integer number (7668109704).

Almost surely, 2^51010555055 is an apocalyptic number.

51010555055 is a deficient number, since it is larger than the sum of its proper divisors (10334322577).

51010555055 is a wasteful number, since it uses less digits than its factorization.

51010555055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22035265.

The product of its (nonzero) digits is 15625, while the sum is 32.

The spelling of 51010555055 in words is "fifty-one billion, ten million, five hundred fifty-five thousand, fifty-five".