50129118 has 60 divisors (see below), whose sum is σ = 121697928. Its totient is φ = 15415920.

The previous prime is 50129111. The next prime is 50129143. The reversal of 50129118 is 81192105.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 50129091 and 50129100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50129111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 26463 + ... + 28293.

Almost surely, 2^50129118 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50129118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60848964).

50129118 is an abundant number, since it is smaller than the sum of its proper divisors (71568810).

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

50129118 is a wasteful number, since it uses less digits than its factorization.

50129118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871 (or 1849 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The square root of 50129118 is about 7080.1919465506. The cubic root of 50129118 is about 368.7199938047.

The spelling of 50129118 in words is "fifty million, one hundred twenty-nine thousand, one hundred eighteen".