50081904 has 60 divisors (see below), whose sum is σ = 140756616. Its totient is φ = 16622976.

The previous prime is 50081893. The next prime is 50081923. The reversal of 50081904 is 40918005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41599 + ... + 42785.

Almost surely, 2^50081904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50081904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70378308).

50081904 is an abundant number, since it is smaller than the sum of its proper divisors (90674712).

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

50081904 is a wasteful number, since it uses less digits than its factorization.

50081904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494 (or 1485 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 50081904 is about 7076.8569294567. The cubic root of 50081904 is about 368.6041980702.

Adding to 50081904 its reverse (40918005), we get a palindrome (90999909).

The spelling of 50081904 in words is "fifty million, eighty-one thousand, nine hundred four".