49775911 has 4 divisors (see below), whose sum is σ = 49923952. Its totient is φ = 49627872.

The previous prime is 49775857. The next prime is 49775917. The reversal of 49775911 is 11957794.

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

It is a cyclic number.

It is not a de Polignac number, because 49775911 - 2¹³ = 49767719 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 (49775917) 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, 73515 + ... + 74188.

It is an arithmetic number, because the mean of its divisors is an integer number (12480988).

Almost surely, 2^49775911 is an apocalyptic number.

49775911 is a deficient number, since it is larger than the sum of its proper divisors (148041).

49775911 is a wasteful number, since it uses less digits than its factorization.

49775911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148040.

The product of its digits is 79380, while the sum is 43.

The square root of 49775911 is about 7055.2045328254. The cubic root of 49775911 is about 367.8519583127.

The spelling of 49775911 in words is "forty-nine million, seven hundred seventy-five thousand, nine hundred eleven".