50001983 has 4 divisors (see below), whose sum is σ = 50180208. Its totient is φ = 49823760.

The previous prime is 50001979. The next prime is 50002009. The reversal of 50001983 is 38910005.

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

It is a cyclic number.

It is not a de Polignac number, because 50001983 - 2² = 50001979 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50001923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88691 + ... + 89252.

It is an arithmetic number, because the mean of its divisors is an integer number (12545052).

Almost surely, 2^50001983 is an apocalyptic number.

50001983 is a deficient number, since it is larger than the sum of its proper divisors (178225).

50001983 is a wasteful number, since it uses less digits than its factorization.

50001983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178224.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 50001983 is about 7071.2080297499. The cubic root of 50001983 is about 368.4080200893.

Adding to 50001983 its reverse (38910005), we get a palindrome (88911988).

The spelling of 50001983 in words is "fifty million, one thousand, nine hundred eighty-three".