51700552555 has 8 divisors (see below), whose sum is σ = 62529172992. Its totient is φ = 41034768768.

The previous prime is 51700552513. The next prime is 51700552577. The reversal of 51700552555 is 55525500715.

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 51700552555 - 2¹¹ = 51700550507 is a prime.

It is a Duffinian 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, 40708462 + ... + 40709731.

It is an arithmetic number, because the mean of its divisors is an integer number (7816146624).

Almost surely, 2^51700552555 is an apocalyptic number.

51700552555 is a deficient number, since it is larger than the sum of its proper divisors (10828620437).

51700552555 is a wasteful number, since it uses less digits than its factorization.

51700552555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81418325.

The product of its (nonzero) digits is 218750, while the sum is 40.

The spelling of 51700552555 in words is "fifty-one billion, seven hundred million, five hundred fifty-two thousand, five hundred fifty-five".