50550111040 has 448 divisors, whose sum is σ = 151806493440. Its totient is φ = 15757148160.

The previous prime is 50550110977. The next prime is 50550111061. The reversal of 50550111040 is 4011105505.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 46079772 + ... + 46080868.

It is an arithmetic number, because the mean of its divisors is an integer number (338853780).

Almost surely, 2^50550111040 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 50550111040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75903246720).

50550111040 is an abundant number, since it is smaller than the sum of its proper divisors (101256382400).

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

50550111040 is a wasteful number, since it uses less digits than its factorization.

50550111040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210 (or 1200 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 22.

Adding to 50550111040 its reverse (4011105505), we get a palindrome (54561216545).

The spelling of 50550111040 in words is "fifty billion, five hundred fifty million, one hundred eleven thousand, forty".