50538738 has 16 divisors (see below), whose sum is σ = 101238336. Its totient is φ = 16819440.

The previous prime is 50538737. The next prime is 50538799. The reversal of 50538738 is 83783505.

It is a junction number, because it is equal to n+sod(n) for n = 50538696 and 50538705.

It is not an unprimeable number, because it can be changed into a prime (50538731) by changing a digit.

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, 2406 + ... + 10337.

It is an arithmetic number, because the mean of its divisors is an integer number (6327396).

Almost surely, 2^50538738 is an apocalyptic number.

50538738 is an abundant number, since it is smaller than the sum of its proper divisors (50699598).

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

50538738 is a wasteful number, since it uses less digits than its factorization.

50538738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13409.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 50538738 is about 7109.0602754513. The cubic root of 50538738 is about 369.7215777345.

The spelling of 50538738 in words is "fifty million, five hundred thirty-eight thousand, seven hundred thirty-eight".