48322581 has 4 divisors (see below), whose sum is σ = 64430112. Its totient is φ = 32215052.

The previous prime is 48322579. The next prime is 48322601. The reversal of 48322581 is 18522384.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48322581 - 2¹ = 48322579 is a prime.

It is a super-2 number, since 2×48322581² = 4670143669003122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48322511) 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, 8053761 + ... + 8053766.

It is an arithmetic number, because the mean of its divisors is an integer number (16107528).

Almost surely, 2^48322581 is an apocalyptic number.

It is an amenable number.

48322581 is a deficient number, since it is larger than the sum of its proper divisors (16107531).

48322581 is a wasteful number, since it uses less digits than its factorization.

48322581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16107530.

The product of its digits is 15360, while the sum is 33.

The square root of 48322581 is about 6951.4445261399. Note that the first 3 decimals coincide. The cubic root of 48322581 is about 364.2364246158.

The spelling of 48322581 in words is "forty-eight million, three hundred twenty-two thousand, five hundred eighty-one".