51005005055 has 8 divisors (see below), whose sum is σ = 64806359472. Its totient is φ = 38403768448.

The previous prime is 51005004997. The next prime is 51005005081. The reversal of 51005005055 is 55050050015.

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 51005005055 - 2⁶ = 51005004991 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, 300029357 + ... + 300029526.

It is an arithmetic number, because the mean of its divisors is an integer number (8100794934).

Almost surely, 2^51005005055 is an apocalyptic number.

51005005055 is a deficient number, since it is larger than the sum of its proper divisors (13801354417).

51005005055 is a wasteful number, since it uses less digits than its factorization.

51005005055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600058905.

The product of its (nonzero) digits is 3125, while the sum is 26.

The spelling of 51005005055 in words is "fifty-one billion, five million, five thousand, fifty-five".