50265745920 has 480 divisors, whose sum is σ = 188493216912. Its totient is φ = 12306087936.

The previous prime is 50265745897. The next prime is 50265745927. The reversal of 50265745920 is 2954756205.

50265745920 is a `hidden beast` number, since 5 + 0 + 2 + 6 + 57 + 4 + 592 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 21278640384 + 28987105536 = 145872^2 + 170256^2 .

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (50265745927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 76976314 + ... + 76976966.

Almost surely, 2^50265745920 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 50265745920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94246608456).

50265745920 is an abundant number, since it is smaller than the sum of its proper divisors (138227470992).

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

50265745920 is a wasteful number, since it uses less digits than its factorization.

50265745920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952 (or 933 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The spelling of 50265745920 in words is "fifty billion, two hundred sixty-five million, seven hundred forty-five thousand, nine hundred twenty".