48887591 has 4 divisors (see below), whose sum is σ = 50573400. Its totient is φ = 47201784.

The previous prime is 48887549. The next prime is 48887599. The reversal of 48887591 is 19578884.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48887591 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 (48887599) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 842861 + ... + 842918.

It is an arithmetic number, because the mean of its divisors is an integer number (12643350).

Almost surely, 2^48887591 is an apocalyptic number.

48887591 is a deficient number, since it is larger than the sum of its proper divisors (1685809).

48887591 is a wasteful number, since it uses less digits than its factorization.

48887591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685808.

The product of its digits is 645120, while the sum is 50.

The square root of 48887591 is about 6991.9661755475. The cubic root of 48887591 is about 365.6505343747.

The spelling of 48887591 in words is "forty-eight million, eight hundred eighty-seven thousand, five hundred ninety-one".