48562581 has 4 divisors (see below), whose sum is σ = 64750112. Its totient is φ = 32375052.

The previous prime is 48562571. The next prime is 48562589. The reversal of 48562581 is 18526584.

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 not a de Polignac number, because 48562581 - 2²² = 44368277 is a prime.

It is a super-2 number, since 2×48562581² = 4716648546763122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48562589) 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, 8093761 + ... + 8093766.

It is an arithmetic number, because the mean of its divisors is an integer number (16187528).

Almost surely, 2^48562581 is an apocalyptic number.

It is an amenable number.

48562581 is a deficient number, since it is larger than the sum of its proper divisors (16187531).

48562581 is a wasteful number, since it uses less digits than its factorization.

48562581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16187530.

The product of its digits is 76800, while the sum is 39.

The square root of 48562581 is about 6968.6857440984. The cubic root of 48562581 is about 364.8384372852.

The spelling of 48562581 in words is "forty-eight million, five hundred sixty-two thousand, five hundred eighty-one".