50393940 has 24 divisors (see below), whose sum is σ = 141103200. Its totient is φ = 13438368.

The previous prime is 50393923. The next prime is 50393951. The reversal of 50393940 is 4939305.

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 7 ways as a sum of consecutive naturals, for example, 419890 + ... + 420009.

It is an arithmetic number, because the mean of its divisors is an integer number (5879300).

Almost surely, 2^50393940 is an apocalyptic number.

It is an amenable number.

50393940 is an abundant number, since it is smaller than the sum of its proper divisors (90709260).

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

50393940 is a wasteful number, since it uses less digits than its factorization.

50393940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839911 (or 839909 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 50393940 is about 7098.8689239906. The cubic root of 50393940 is about 369.3681448621.

The spelling of 50393940 in words is "fifty million, three hundred ninety-three thousand, nine hundred forty".