50931838 has 4 divisors (see below), whose sum is σ = 76397760. Its totient is φ = 25465918.

The previous prime is 50931833. The next prime is 50931841. The reversal of 50931838 is 83813905.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 50931797 and 50931806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50931833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12732958 + ... + 12732961.

It is an arithmetic number, because the mean of its divisors is an integer number (19099440).

Almost surely, 2^50931838 is an apocalyptic number.

50931838 is a deficient number, since it is larger than the sum of its proper divisors (25465922).

50931838 is a wasteful number, since it uses less digits than its factorization.

50931838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25465921.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 50931838 is about 7136.6545383674. The cubic root of 50931838 is about 370.6776915114.

The spelling of 50931838 in words is "fifty million, nine hundred thirty-one thousand, eight hundred thirty-eight".