50585820 has 48 divisors (see below), whose sum is σ = 143246880. Its totient is φ = 13336576.

The previous prime is 50585813. The next prime is 50585837. The reversal of 50585820 is 2858505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 604 + ... + 10076.

It is an arithmetic number, because the mean of its divisors is an integer number (2984310).

Almost surely, 2^50585820 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 50585820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71623440).

50585820 is an abundant number, since it is smaller than the sum of its proper divisors (92661060).

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

50585820 is a wasteful number, since it uses less digits than its factorization.

50585820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9574 (or 9572 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 33.

The square root of 50585820 is about 7112.3709127126. The cubic root of 50585820 is about 369.8363532464.

It can be divided in two parts, 5058 and 5820, that added together give a triangular number (10878 = T₁₄₇).

The spelling of 50585820 in words is "fifty million, five hundred eighty-five thousand, eight hundred twenty".