48911555 has 24 divisors (see below), whose sum is σ = 74487600. Its totient is φ = 30488640.

The previous prime is 48911549. The next prime is 48911563. The reversal of 48911555 is 55511984.

48911555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 48911555 - 2¹⁰ = 48910531 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6380 + ... + 11769.

It is an arithmetic number, because the mean of its divisors is an integer number (3103650).

Almost surely, 2^48911555 is an apocalyptic number.

48911555 is a deficient number, since it is larger than the sum of its proper divisors (25576045).

48911555 is a wasteful number, since it uses less digits than its factorization.

48911555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18179 (or 18172 counting only the distinct ones).

The product of its digits is 36000, while the sum is 38.

The square root of 48911555 is about 6993.6796466524. The cubic root of 48911555 is about 365.7102701745.

It can be divided in two parts, 4891 and 1555, that added together give a palindrome (6446).

The spelling of 48911555 in words is "forty-eight million, nine hundred eleven thousand, five hundred fifty-five".