51469906176 has 216 divisors, whose sum is σ = 162073469376. Its totient is φ = 15613194240.

The previous prime is 51469906139. The next prime is 51469906183. The reversal of 51469906176 is 67160996415.

It is a happy number.

51469906176 is a `hidden beast` number, since 5 + 1 + 469 + 9 + 0 + 6 + 176 = 666.

51469906176 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2114491 + ... + 2138693.

It is an arithmetic number, because the mean of its divisors is an integer number (750340136).

Almost surely, 2^51469906176 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 51469906176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81036734688).

51469906176 is an abundant number, since it is smaller than the sum of its proper divisors (110603563200).

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

51469906176 is a wasteful number, since it uses less digits than its factorization.

51469906176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24309 (or 24292 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The spelling of 51469906176 in words is "fifty-one billion, four hundred sixty-nine million, nine hundred six thousand, one hundred seventy-six".