51477104448 has 1176 divisors, whose sum is σ = 205084923840. Its totient is φ = 12645642240.

The previous prime is 51477104447. The next prime is 51477104477. The reversal of 51477104448 is 84440177415.

It is a tau number, because it is divible by the number of its divisors (1176).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51477104447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 578394388 + ... + 578394476.

Almost surely, 2^51477104448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51477104448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102542461920).

51477104448 is an abundant number, since it is smaller than the sum of its proper divisors (153607819392).

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

51477104448 is a wasteful number, since it uses less digits than its factorization.

51477104448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 45.

The spelling of 51477104448 in words is "fifty-one billion, four hundred seventy-seven million, one hundred four thousand, four hundred forty-eight".