49111550 has 12 divisors (see below), whose sum is σ = 91347576. Its totient is φ = 19644600.

The previous prime is 49111519. The next prime is 49111567. The reversal of 49111550 is 5511194.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 491066 + ... + 491165.

It is an arithmetic number, because the mean of its divisors is an integer number (7612298).

Almost surely, 2^49111550 is an apocalyptic number.

49111550 is a deficient number, since it is larger than the sum of its proper divisors (42236026).

49111550 is a wasteful number, since it uses less digits than its factorization.

49111550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982243 (or 982238 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 49111550 is about 7007.9633275296. The cubic root of 49111550 is about 366.2080445986.

The spelling of 49111550 in words is "forty-nine million, one hundred eleven thousand, five hundred fifty".