49105983 has 4 divisors (see below), whose sum is σ = 65474648. Its totient is φ = 32737320.

The previous prime is 49105981. The next prime is 49106009. The reversal of 49105983 is 38950194.

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

It is not a de Polignac number, because 49105983 - 2¹ = 49105981 is a prime.

It is a super-2 number, since 2×49105983² = 4822795132792578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49105981) 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, 8184328 + ... + 8184333.

It is an arithmetic number, because the mean of its divisors is an integer number (16368662).

Almost surely, 2^49105983 is an apocalyptic number.

49105983 is a deficient number, since it is larger than the sum of its proper divisors (16368665).

49105983 is a wasteful number, since it uses less digits than its factorization.

49105983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16368664.

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

The square root of 49105983 is about 7007.5661252677. The cubic root of 49105983 is about 366.1942070036.

The spelling of 49105983 in words is "forty-nine million, one hundred five thousand, nine hundred eighty-three".