50320638 has 24 divisors (see below), whose sum is σ = 111087288. Its totient is φ = 16456752.

The previous prime is 50320603. The next prime is 50320649. The reversal of 50320638 is 83602305.

50320638 is a `hidden beast` number, since 5 + 0 + 3 + 20 + 638 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25420 + ... + 27327.

It is an arithmetic number, because the mean of its divisors is an integer number (4628637).

Almost surely, 2^50320638 is an apocalyptic number.

50320638 is an abundant number, since it is smaller than the sum of its proper divisors (60766650).

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

50320638 is a wasteful number, since it uses less digits than its factorization.

50320638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52808 (or 52805 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 50320638 is about 7093.7041099837. The cubic root of 50320638 is about 369.1889661608.

The spelling of 50320638 in words is "fifty million, three hundred twenty thousand, six hundred thirty-eight".