48507971 has 4 divisors (see below), whose sum is σ = 49330200. Its totient is φ = 47685744.

The previous prime is 48507947. The next prime is 48507973. The reversal of 48507971 is 17970584.

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 48507971 - 2¹⁰ = 48506947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48507973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411026 + ... + 411143.

It is an arithmetic number, because the mean of its divisors is an integer number (12332550).

Almost surely, 2^48507971 is an apocalyptic number.

48507971 is a deficient number, since it is larger than the sum of its proper divisors (822229).

48507971 is an equidigital number, since it uses as much as digits as its factorization.

48507971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822228.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 48507971 is about 6964.7663995284. The cubic root of 48507971 is about 364.7016289332.

It can be divided in two parts, 4850 and 7971, that added together give a palindrome (12821).

The spelling of 48507971 in words is "forty-eight million, five hundred seven thousand, nine hundred seventy-one".