49983865 has 8 divisors (see below), whose sum is σ = 60143688. Its totient is φ = 39878400.

The previous prime is 49983847. The next prime is 49983877. The reversal of 49983865 is 56838994.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3143529 + 46840336 = 1773^2 + 6844^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49983865 - 2⁵ = 49983833 is a prime.

It is a Duffinian 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, 11536 + ... + 15265.

It is an arithmetic number, because the mean of its divisors is an integer number (7517961).

Almost surely, 2^49983865 is an apocalyptic number.

It is an amenable number.

49983865 is a deficient number, since it is larger than the sum of its proper divisors (10159823).

49983865 is a wasteful number, since it uses less digits than its factorization.

49983865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27179.

The product of its digits is 1866240, while the sum is 52.

The square root of 49983865 is about 7069.9268030157. The cubic root of 49983865 is about 368.3635177018.

The spelling of 49983865 in words is "forty-nine million, nine hundred eighty-three thousand, eight hundred sixty-five".