51055505152 has 18 divisors (see below), whose sum is σ = 101911575248. Its totient is φ = 25527752448.

The previous prime is 51055505117. The next prime is 51055505183. The reversal of 51055505152 is 25150555015.

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, 99717528 + ... + 99718039.

Almost surely, 2^51055505152 is an apocalyptic number.

It is an amenable number.

51055505152 is a deficient number, since it is larger than the sum of its proper divisors (50856070096).

51055505152 is an equidigital number, since it uses as much as digits as its factorization.

51055505152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199435583 (or 199435569 counting only the distinct ones).

The product of its (nonzero) digits is 31250, while the sum is 34.

The spelling of 51055505152 in words is "fifty-one billion, fifty-five million, five hundred five thousand, one hundred fifty-two".