50920569648 has 400 divisors, whose sum is σ = 166175301600. Its totient is φ = 14944849920.

The previous prime is 50920569647. The next prime is 50920569671. The reversal of 50920569648 is 84696502905.

It is a happy number.

50920569648 is a `hidden beast` number, since 50 + 9 + 20 + 569 + 6 + 4 + 8 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 50920569594 and 50920569603.

It is not an unprimeable number, because it can be changed into a prime (50920569643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 43484103 + ... + 43485273.

It is an arithmetic number, because the mean of its divisors is an integer number (415438254).

Almost surely, 2^50920569648 is an apocalyptic number.

50920569648 is a gapful number since it is divisible by the number (58) 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 50920569648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83087650800).

50920569648 is an abundant number, since it is smaller than the sum of its proper divisors (115254731952).

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

50920569648 is a wasteful number, since it uses less digits than its factorization.

50920569648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322 (or 1307 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 50920569648 in words is "fifty billion, nine hundred twenty million, five hundred sixty-nine thousand, six hundred forty-eight".