50491983 has 16 divisors (see below), whose sum is σ = 68558336. Its totient is φ = 33048000.

The previous prime is 50491967. The next prime is 50491997. The reversal of 50491983 is 38919405.

It is not a de Polignac number, because 50491983 - 2⁴ = 50491967 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 (50490983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66858 + ... + 67608.

It is an arithmetic number, because the mean of its divisors is an integer number (4284896).

Almost surely, 2^50491983 is an apocalyptic number.

50491983 is a deficient number, since it is larger than the sum of its proper divisors (18066353).

50491983 is a wasteful number, since it uses less digits than its factorization.

50491983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 50491983 is about 7105.7711052355. The cubic root of 50491983 is about 369.6075288121.

The spelling of 50491983 in words is "fifty million, four hundred ninety-one thousand, nine hundred eighty-three".