50639386 has 8 divisors (see below), whose sum is σ = 86810400. Its totient is φ = 21702588.

The previous prime is 50639383. The next prime is 50639411. The reversal of 50639386 is 68393605.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×50639386³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (50639383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1808536 + ... + 1808563.

It is an arithmetic number, because the mean of its divisors is an integer number (10851300).

Almost surely, 2^50639386 is an apocalyptic number.

50639386 is a deficient number, since it is larger than the sum of its proper divisors (36171014).

50639386 is a wasteful number, since it uses less digits than its factorization.

50639386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3617108.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 50639386 is about 7116.1356086011. The cubic root of 50639386 is about 369.9668487464.

The spelling of 50639386 in words is "fifty million, six hundred thirty-nine thousand, three hundred eighty-six".