50682138 has 16 divisors (see below), whose sum is σ = 109161696. Its totient is φ = 15594480.

The previous prime is 50682127. The next prime is 50682157. The reversal of 50682138 is 83128605.

It is a happy number.

It is a super-2 number, since 2×50682138² = 5137358224502088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50682099 and 50682108.

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, 324808 + ... + 324963.

It is an arithmetic number, because the mean of its divisors is an integer number (6822606).

Almost surely, 2^50682138 is an apocalyptic number.

50682138 is an abundant number, since it is smaller than the sum of its proper divisors (58479558).

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

50682138 is a wasteful number, since it uses less digits than its factorization.

50682138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649789.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 50682138 is about 7119.1388524175. The cubic root of 50682138 is about 370.0709335637.

The spelling of 50682138 in words is "fifty million, six hundred eighty-two thousand, one hundred thirty-eight".