51055560055 has 8 divisors (see below), whose sum is σ = 61451769744. Its totient is φ = 40721049600.

The previous prime is 51055560013. The next prime is 51055560107. The reversal of 51055560055 is 55006555015.

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

It is not a de Polignac number, because 51055560055 - 2¹³ = 51055551863 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51055559996 and 51055560023.

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, 15422986 + ... + 15426295.

It is an arithmetic number, because the mean of its divisors is an integer number (7681471218).

Almost surely, 2^51055560055 is an apocalyptic number.

51055560055 is a deficient number, since it is larger than the sum of its proper divisors (10396209689).

51055560055 is a wasteful number, since it uses less digits than its factorization.

51055560055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30849617.

The product of its (nonzero) digits is 93750, while the sum is 37.

The spelling of 51055560055 in words is "fifty-one billion, fifty-five million, five hundred sixty thousand, fifty-five".