50205240 has 48 divisors (see below), whose sum is σ = 163168200. Its totient is φ = 13387968.

The previous prime is 50205229. The next prime is 50205247. The reversal of 50205240 is 4250205.

50205240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×50205240² = 5041132246915200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50205247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69370 + ... + 70089.

Almost surely, 2^50205240 is an apocalyptic number.

It is an amenable number.

50205240 is an abundant number, since it is smaller than the sum of its proper divisors (112962960).

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

50205240 is a wasteful number, since it uses less digits than its factorization.

50205240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139476 (or 139469 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 50205240 is about 7085.5656090393. The cubic root of 50205240 is about 368.9065354751.

Adding to 50205240 its reverse (4250205), we get a palindrome (54455445).

The spelling of 50205240 in words is "fifty million, two hundred five thousand, two hundred forty".