51608559934 has 8 divisors (see below), whose sum is σ = 77533610688. Its totient is φ = 25764023040.

The previous prime is 51608559923. The next prime is 51608559953. The reversal of 51608559934 is 43995580615.

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

It is a super-2 number, since 2×51608559934² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20126862 + ... + 20129425.

It is an arithmetic number, because the mean of its divisors is an integer number (9691701336).

Almost surely, 2^51608559934 is an apocalyptic number.

51608559934 is a deficient number, since it is larger than the sum of its proper divisors (25925050754).

51608559934 is a wasteful number, since it uses less digits than its factorization.

51608559934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40256930.

The product of its (nonzero) digits is 5832000, while the sum is 55.

The spelling of 51608559934 in words is "fifty-one billion, six hundred eight million, five hundred fifty-nine thousand, nine hundred thirty-four".