51547949177472 has 96 divisors (see below), whose sum is σ = 161819556406560. Its totient is φ = 15620590656000.

The previous prime is 51547949177429. The next prime is 51547949177507. The reversal of 51547949177472 is 27477194974515.

51547949177472 is a `hidden beast` number, since 5 + 1 + 5 + 47 + 9 + 49 + 1 + 77 + 472 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 51547949177472.

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, 2033918404 + ... + 2033943747.

It is an arithmetic number, because the mean of its divisors is an integer number (1685620379235).

Almost surely, 2^{51547949177472} is an apocalyptic number.

It is an amenable number.

51547949177472 is an abundant number, since it is smaller than the sum of its proper divisors (110271607229088).

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

51547949177472 is a wasteful number, since it uses less digits than its factorization.

51547949177472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4067862182 (or 4067862167 counting only the distinct ones).

The product of its digits is 622339200, while the sum is 72.

The spelling of 51547949177472 in words is "fifty-one trillion, five hundred forty-seven billion, nine hundred forty-nine million, one hundred seventy-seven thousand, four hundred seventy-two".