50081806 has 4 divisors (see below), whose sum is σ = 75122712. Its totient is φ = 25040902.

The previous prime is 50081789. The next prime is 50081809. The reversal of 50081806 is 60818005.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60818005 = 5 ⋅12163601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50081809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12520450 + ... + 12520453.

It is an arithmetic number, because the mean of its divisors is an integer number (18780678).

Almost surely, 2^50081806 is an apocalyptic number.

50081806 is a deficient number, since it is larger than the sum of its proper divisors (25040906).

50081806 is a wasteful number, since it uses less digits than its factorization.

50081806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25040905.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 50081806 is about 7076.8500054756. The cubic root of 50081806 is about 368.6039576425.

The spelling of 50081806 in words is "fifty million, eighty-one thousand, eight hundred six".