50396820 has 48 divisors (see below), whose sum is σ = 142164288. Its totient is φ = 13338880.

The previous prime is 50396783. The next prime is 50396821. The reversal of 50396820 is 2869305.

It is a happy number.

It is a super-2 number, since 2×50396820² = 5079678932224800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50396821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5155 + ... + 11285.

It is an arithmetic number, because the mean of its divisors is an integer number (2961756).

Almost surely, 2^50396820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50396820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71082144).

50396820 is an abundant number, since it is smaller than the sum of its proper divisors (91767468).

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

50396820 is a wasteful number, since it uses less digits than its factorization.

50396820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6280 (or 6278 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 50396820 is about 7099.0717703091. The cubic root of 50396820 is about 369.3751811578.

The spelling of 50396820 in words is "fifty million, three hundred ninety-six thousand, eight hundred twenty".