50665020 has 144 divisors (see below), whose sum is σ = 173900160. Its totient is φ = 10958976.

The previous prime is 50665007. The next prime is 50665033. The reversal of 50665020 is 2056605.

It is an interprime number because it is at equal distance from previous prime (50665007) and next prime (50665033).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55407 + ... + 56313.

It is an arithmetic number, because the mean of its divisors is an integer number (1207640).

Almost surely, 2^50665020 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 50665020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86950080).

50665020 is an abundant number, since it is smaller than the sum of its proper divisors (123235140).

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

50665020 is a wasteful number, since it uses less digits than its factorization.

50665020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952 (or 943 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 50665020 is about 7117.9364987333. The cubic root of 50665020 is about 370.0292647902.

The spelling of 50665020 in words is "fifty million, six hundred sixty-five thousand, twenty".