48918511 has 4 divisors (see below), whose sum is σ = 49393552. Its totient is φ = 48443472.

The previous prime is 48918497. The next prime is 48918517. The reversal of 48918511 is 11581984.

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 48918511 - 2⁵ = 48918479 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 (48918517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237366 + ... + 237571.

It is an arithmetic number, because the mean of its divisors is an integer number (12348388).

Almost surely, 2^48918511 is an apocalyptic number.

48918511 is a deficient number, since it is larger than the sum of its proper divisors (475041).

48918511 is a wasteful number, since it uses less digits than its factorization.

48918511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475040.

The product of its digits is 11520, while the sum is 37.

The square root of 48918511 is about 6994.1769351368. The cubic root of 48918511 is about 365.7276059558.

The spelling of 48918511 in words is "forty-eight million, nine hundred eighteen thousand, five hundred eleven".