51383042328672 has 72 divisors (see below), whose sum is σ = 146121264001440. Its totient is φ = 17127594343680.

The previous prime is 51383042328571. The next prime is 51383042328797. The reversal of 51383042328672 is 27682324038315.

51383042328672 is a `hidden beast` number, since 5 + 1 + 3 + 8 + 304 + 2 + 328 + 6 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84507022 + ... + 85112882.

It is an arithmetic number, because the mean of its divisors is an integer number (2029462000020).

Almost surely, 2^{51383042328672} is an apocalyptic number.

It is an amenable number.

51383042328672 is an abundant number, since it is smaller than the sum of its proper divisors (94738221672768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51383042328672 is a wasteful number, since it uses less digits than its factorization.

51383042328672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900356 (or 900345 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 54.

The spelling of 51383042328672 in words is "fifty-one trillion, three hundred eighty-three billion, forty-two million, three hundred twenty-eight thousand, six hundred seventy-two".