49983638 has 16 divisors (see below), whose sum is σ = 79715664. Its totient is φ = 23424000.

The previous prime is 49983589. The next prime is 49983643. The reversal of 49983638 is 83638994.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5606 + ... + 11462.

It is an arithmetic number, because the mean of its divisors is an integer number (4982229).

Almost surely, 2^49983638 is an apocalyptic number.

49983638 is a deficient number, since it is larger than the sum of its proper divisors (29732026).

49983638 is a wasteful number, since it uses less digits than its factorization.

49983638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6127.

The product of its digits is 1119744, while the sum is 50.

The square root of 49983638 is about 7069.9107490830. The cubic root of 49983638 is about 368.3629600642.

The spelling of 49983638 in words is "forty-nine million, nine hundred eighty-three thousand, six hundred thirty-eight".