50918286366 has 64 divisors (see below), whose sum is σ = 115104418560. Its totient is φ = 16680336480.

The previous prime is 50918286361. The next prime is 50918286401. The reversal of 50918286366 is 66368281905.

It is a happy number.

50918286366 is a `hidden beast` number, since 509 + 18 + 2 + 8 + 63 + 66 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50918286361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4299345 + ... + 4311171.

It is an arithmetic number, because the mean of its divisors is an integer number (1798506540).

Almost surely, 2^50918286366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50918286366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57552209280).

50918286366 is an abundant number, since it is smaller than the sum of its proper divisors (64186132194).

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

50918286366 is a wasteful number, since it uses less digits than its factorization.

50918286366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13206 (or 13200 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 50918286366 in words is "fifty billion, nine hundred eighteen million, two hundred eighty-six thousand, three hundred sixty-six".