48217231 has 4 divisors (see below), whose sum is σ = 50755000. Its totient is φ = 45679464.

The previous prime is 48217229. The next prime is 48217237. The reversal of 48217231 is 13271284.

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 48217231 - 2¹ = 48217229 is a prime.

It is a super-2 number, since 2×48217231² = 4649802730614722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48217231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48217237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1268856 + ... + 1268893.

It is an arithmetic number, because the mean of its divisors is an integer number (12688750).

Almost surely, 2^48217231 is an apocalyptic number.

48217231 is a deficient number, since it is larger than the sum of its proper divisors (2537769).

48217231 is a wasteful number, since it uses less digits than its factorization.

48217231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537768.

The product of its digits is 2688, while the sum is 28.

The square root of 48217231 is about 6943.8628298664. The cubic root of 48217231 is about 363.9715365378.

The spelling of 48217231 in words is "forty-eight million, two hundred seventeen thousand, two hundred thirty-one".