48691 has 8 divisors (see below), whose sum is σ = 53280. Its totient is φ = 44352.

The previous prime is 48679. The next prime is 48731. The reversal of 48691 is 19684.

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 48691 - 2⁷ = 48563 is a prime.

It is a Duffinian number.

48691 is a lucky number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631 + ... + 703.

It is an arithmetic number, because the mean of its divisors is an integer number (6660).

It is the magic constant of a 46 × 46 magic square.

2⁴⁸⁶⁹¹ is an apocalyptic number.

48691 is a deficient number, since it is larger than the sum of its proper divisors (4589).

48691 is a wasteful number, since it uses less digits than its factorization.

48691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125.

The product of its digits is 1728, while the sum is 28.

The square root of 48691 is about 220.6603725185. The cubic root of 48691 is about 36.5159747426.

The spelling of 48691 in words is "forty-eight thousand, six hundred ninety-one".