50990041091754 has 144 divisors (see below), whose sum is σ = 116312391280800. Its totient is φ = 16124887670976.

The previous prime is 50990041091749. The next prime is 50990041091767. The reversal of 50990041091754 is 45719014009905.

It is a happy number.

50990041091754 is a `hidden beast` number, since 5 + 0 + 9 + 90 + 0 + 410 + 91 + 7 + 54 = 666.

It is a super-2 number, since 2×50990041091754² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 50990041091754.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4875225777 + ... + 4875236235.

It is an arithmetic number, because the mean of its divisors is an integer number (807724939450).

Almost surely, 2^{50990041091754} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50990041091754, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58156195640400).

50990041091754 is an abundant number, since it is smaller than the sum of its proper divisors (65322350189046).

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

50990041091754 is a wasteful number, since it uses less digits than its factorization.

50990041091754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13297 (or 13235 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 54.

The spelling of 50990041091754 in words is "fifty trillion, nine hundred ninety billion, forty-one million, ninety-one thousand, seven hundred fifty-four".