51332386552 has 8 divisors (see below), whose sum is σ = 96248224800. Its totient is φ = 25666193272.

The previous prime is 51332386531. The next prime is 51332386579. The reversal of 51332386552 is 25568323315.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 51332386499 and 51332386508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3208274152 + ... + 3208274167.

It is an arithmetic number, because the mean of its divisors is an integer number (12031028100).

Almost surely, 2^51332386552 is an apocalyptic number.

It is an amenable number.

51332386552 is a deficient number, since it is larger than the sum of its proper divisors (44915838248).

51332386552 is a wasteful number, since it uses less digits than its factorization.

51332386552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6416548325 (or 6416548321 counting only the distinct ones).

The product of its digits is 648000, while the sum is 43.

The spelling of 51332386552 in words is "fifty-one billion, three hundred thirty-two million, three hundred eighty-six thousand, five hundred fifty-two".