50421812 has 24 divisors (see below), whose sum is σ = 101023104. Its totient is φ = 21570912.

The previous prime is 50421751. The next prime is 50421821. The reversal of 50421812 is 21812405.

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, 19118 + ... + 21594.

It is an arithmetic number, because the mean of its divisors is an integer number (4209296).

Almost surely, 2^50421812 is an apocalyptic number.

It is an amenable number.

50421812 is an abundant number, since it is smaller than the sum of its proper divisors (50601292).

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

50421812 is a wasteful number, since it uses less digits than its factorization.

50421812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3215 (or 3213 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 50421812 is about 7100.8317822633. The cubic root of 50421812 is about 369.4362293150.

The spelling of 50421812 in words is "fifty million, four hundred twenty-one thousand, eight hundred twelve".