50291961785 has 16 divisors (see below), whose sum is σ = 64998448704. Its totient is φ = 37135388352.

The previous prime is 50291961763. The next prime is 50291961787. The reversal of 50291961785 is 58716919205.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 50291961785 - 2⁶ = 50291961721 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50291961787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 898634 + ... + 952956.

It is an arithmetic number, because the mean of its divisors is an integer number (4062403044).

Almost surely, 2^50291961785 is an apocalyptic number.

It is an amenable number.

50291961785 is a deficient number, since it is larger than the sum of its proper divisors (14706486919).

50291961785 is a wasteful number, since it uses less digits than its factorization.

50291961785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68584.

The product of its (nonzero) digits is 1360800, while the sum is 53.

The spelling of 50291961785 in words is "fifty billion, two hundred ninety-one million, nine hundred sixty-one thousand, seven hundred eighty-five".