49999811 has 8 divisors (see below), whose sum is σ = 53299200. Its totient is φ = 46767240.

The previous prime is 49999801. The next prime is 49999819. The reversal of 49999811 is 11899994.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49999811 is a prime.

It is a super-2 number, since 2×49999811² = 4999962200071442, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49999811.

It is not an unprimeable number, because it can be changed into a prime (49999819) 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, 15155 + ... + 18156.

It is an arithmetic number, because the mean of its divisors is an integer number (6662400).

Almost surely, 2^49999811 is an apocalyptic number.

49999811 is a deficient number, since it is larger than the sum of its proper divisors (3299389).

49999811 is a wasteful number, since it uses less digits than its factorization.

49999811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33409.

The product of its digits is 209952, while the sum is 50.

The square root of 49999811 is about 7071.0544475347. The cubic root of 49999811 is about 368.4026856755.

The spelling of 49999811 in words is "forty-nine million, nine hundred ninety-nine thousand, eight hundred eleven".