50013810 has 144 divisors (see below), whose sum is σ = 165177792. Its totient is φ = 10382400.

The previous prime is 50013791. The next prime is 50013811. The reversal of 50013810 is 1831005.

It is a happy number.

It is a super-2 number, since 2×50013810² = 5002762381432200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (50013811) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 47995 + ... + 49025.

It is an arithmetic number, because the mean of its divisors is an integer number (1147068).

Almost surely, 2^50013810 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50013810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82588896).

50013810 is an abundant number, since it is smaller than the sum of its proper divisors (115163982).

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

50013810 is a wasteful number, since it uses less digits than its factorization.

50013810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069 (or 1059 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 50013810 is about 7072.0442589113. The cubic root of 50013810 is about 368.4370643918.

Adding to 50013810 its reverse (1831005), we get a palindrome (51844815).

The spelling of 50013810 in words is "fifty million, thirteen thousand, eight hundred ten".