48581613 has 20 divisors (see below), whose sum is σ = 76394560. Its totient is φ = 30682152.

The previous prime is 48581593. The next prime is 48581639. The reversal of 48581613 is 31618584.

It is not a de Polignac number, because 48581613 - 2⁵ = 48581581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48581653) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14245 + ... + 17322.

It is an arithmetic number, because the mean of its divisors is an integer number (3819728).

Almost surely, 2^48581613 is an apocalyptic number.

It is an amenable number.

48581613 is a deficient number, since it is larger than the sum of its proper divisors (27812947).

48581613 is a wasteful number, since it uses less digits than its factorization.

48581613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31598 (or 31589 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 48581613 is about 6970.0511475885. The cubic root of 48581613 is about 364.8860919342.

It can be divided in two parts, 48581 and 613, that added together give a palindrome (49194).

The spelling of 48581613 in words is "forty-eight million, five hundred eighty-one thousand, six hundred thirteen".