49808311 has 4 divisors (see below), whose sum is σ = 56923792. Its totient is φ = 42692832.

The previous prime is 49808303. The next prime is 49808323. The reversal of 49808311 is 11380894.

It is a happy number.

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

It is not a de Polignac number, because 49808311 - 2³ = 49808303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49808111) 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, 3557730 + ... + 3557743.

It is an arithmetic number, because the mean of its divisors is an integer number (14230948).

Almost surely, 2^49808311 is an apocalyptic number.

49808311 is a deficient number, since it is larger than the sum of its proper divisors (7115481).

49808311 is an equidigital number, since it uses as much as digits as its factorization.

49808311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7115480.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 49808311 is about 7057.5003365214. The cubic root of 49808311 is about 367.9317547321.

The spelling of 49808311 in words is "forty-nine million, eight hundred eight thousand, three hundred eleven".