50161812 has 24 divisors (see below), whose sum is σ = 117429312. Its totient is φ = 16665600.

The previous prime is 50161799. The next prime is 50161841. The reversal of 50161812 is 21816105.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2989 + ... + 10452.

It is an arithmetic number, because the mean of its divisors is an integer number (4892888).

Almost surely, 2^50161812 is an apocalyptic number.

It is an amenable number.

50161812 is an abundant number, since it is smaller than the sum of its proper divisors (67267500).

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

50161812 is a wasteful number, since it uses less digits than its factorization.

50161812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13759 (or 13757 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 50161812 is about 7082.5004059301. The cubic root of 50161812 is about 368.8001355944.

Adding to 50161812 its reverse (21816105), we get a palindrome (71977917).

The spelling of 50161812 in words is "fifty million, one hundred sixty-one thousand, eight hundred twelve".