50900820 has 96 divisors (see below), whose sum is σ = 147987840. Its totient is φ = 13063680.

The previous prime is 50900819. The next prime is 50900821. The reversal of 50900820 is 2800905.

It is an interprime number because it is at equal distance from previous prime (50900819) and next prime (50900821).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50900821) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 281130 + ... + 281310.

It is an arithmetic number, because the mean of its divisors is an integer number (1541540).

Almost surely, 2^50900820 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 50900820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73993920).

50900820 is an abundant number, since it is smaller than the sum of its proper divisors (97087020).

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

50900820 is a wasteful number, since it uses less digits than its factorization.

50900820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 50900820 is about 7134.4810603155. The cubic root of 50900820 is about 370.6024274203.

The spelling of 50900820 in words is "fifty million, nine hundred thousand, eight hundred twenty".