48215291 has 8 divisors (see below), whose sum is σ = 50505120. Its totient is φ = 45941632.

The previous prime is 48215269. The next prime is 48215311. The reversal of 48215291 is 19251284.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 48215291 - 2²² = 44020987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48215231) 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 7 ways as a sum of consecutive naturals, for example, 2291 + ... + 10083.

It is an arithmetic number, because the mean of its divisors is an integer number (6313140).

Almost surely, 2^48215291 is an apocalyptic number.

48215291 is a deficient number, since it is larger than the sum of its proper divisors (2289829).

48215291 is a wasteful number, since it uses less digits than its factorization.

48215291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8085.

The product of its digits is 5760, while the sum is 32.

The square root of 48215291 is about 6943.7231367617. The cubic root of 48215291 is about 363.9666550584.

The spelling of 48215291 in words is "forty-eight million, two hundred fifteen thousand, two hundred ninety-one".