50645570976 has 768 divisors, whose sum is σ = 204838502400. Its totient is φ = 11744870400.

The previous prime is 50645570953. The next prime is 50645571001. The reversal of 50645570976 is 67907554605.

50645570976 is a `hidden beast` number, since 5 + 0 + 64 + 5 + 570 + 9 + 7 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 26809840 + ... + 26811728.

It is an arithmetic number, because the mean of its divisors is an integer number (266716800).

Almost surely, 2^50645570976 is an apocalyptic number.

50645570976 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50645570976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102419251200).

50645570976 is an abundant number, since it is smaller than the sum of its proper divisors (154192931424).

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

50645570976 is a wasteful number, since it uses less digits than its factorization.

50645570976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1970 (or 1956 counting only the distinct ones).

The product of its (nonzero) digits is 7938000, while the sum is 54.

The spelling of 50645570976 in words is "fifty billion, six hundred forty-five million, five hundred seventy thousand, nine hundred seventy-six".