49865811 has 8 divisors (see below), whose sum is σ = 70398864. Its totient is φ = 31288320.

The previous prime is 49865807. The next prime is 49865831. The reversal of 49865811 is 11856894.

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

It is not a de Polignac number, because 49865811 - 2² = 49865807 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49865801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488830 + ... + 488931.

It is an arithmetic number, because the mean of its divisors is an integer number (8799858).

Almost surely, 2^49865811 is an apocalyptic number.

49865811 is a deficient number, since it is larger than the sum of its proper divisors (20533053).

49865811 is a wasteful number, since it uses less digits than its factorization.

49865811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977781.

The product of its digits is 69120, while the sum is 42.

The square root of 49865811 is about 7061.5728417966. The cubic root of 49865811 is about 368.0732835898.

The spelling of 49865811 in words is "forty-nine million, eight hundred sixty-five thousand, eight hundred eleven".