51361740632 has 16 divisors (see below), whose sum is σ = 96307234200. Its totient is φ = 25679811520.

The previous prime is 51361740631. The next prime is 51361740653. The reversal of 51361740632 is 23604716315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51361740631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97244 + ... + 334932.

Almost surely, 2^51361740632 is an apocalyptic number.

It is an amenable number.

51361740632 is a deficient number, since it is larger than the sum of its proper divisors (44945493568).

51361740632 is a wasteful number, since it uses less digits than its factorization.

51361740632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264706 (or 264702 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 51361740632 in words is "fifty-one billion, three hundred sixty-one million, seven hundred forty thousand, six hundred thirty-two".