48663591 has 4 divisors (see below), whose sum is σ = 64884792. Its totient is φ = 32442392.

The previous prime is 48663569. The next prime is 48663619. The reversal of 48663591 is 19536684.

48663591 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 48663591 - 2⁷ = 48663463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48663551) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8110596 + ... + 8110601.

It is an arithmetic number, because the mean of its divisors is an integer number (16221198).

Almost surely, 2^48663591 is an apocalyptic number.

48663591 is a deficient number, since it is larger than the sum of its proper divisors (16221201).

48663591 is a wasteful number, since it uses less digits than its factorization.

48663591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16221200.

The product of its digits is 155520, while the sum is 42.

The square root of 48663591 is about 6975.9294004455. The cubic root of 48663591 is about 365.0912163342.

The spelling of 48663591 in words is "forty-eight million, six hundred sixty-three thousand, five hundred ninety-one".