50013820 has 24 divisors (see below), whose sum is σ = 106511328. Its totient is φ = 19723200.

The previous prime is 50013811. The next prime is 50013841. The reversal of 50013820 is 2831005.

It is a happy number.

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, 16191 + ... + 19030.

It is an arithmetic number, because the mean of its divisors is an integer number (4437972).

Almost surely, 2^50013820 is an apocalyptic number.

It is an amenable number.

50013820 is an abundant number, since it is smaller than the sum of its proper divisors (56497508).

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

50013820 is a wasteful number, since it uses less digits than its factorization.

50013820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35301 (or 35299 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 50013820 is about 7072.0449659204. The cubic root of 50013820 is about 368.4370889475.

Adding to 50013820 its reverse (2831005), we get a palindrome (52844825).

The spelling of 50013820 in words is "fifty million, thirteen thousand, eight hundred twenty".