48651691 has 4 divisors (see below), whose sum is σ = 53074584. Its totient is φ = 44228800.

The previous prime is 48651689. The next prime is 48651703. The reversal of 48651691 is 19615684.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 48651691 - 2¹ = 48651689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48651641) 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, 2211430 + ... + 2211451.

It is an arithmetic number, because the mean of its divisors is an integer number (13268646).

Almost surely, 2^48651691 is an apocalyptic number.

48651691 is a deficient number, since it is larger than the sum of its proper divisors (4422893).

48651691 is a wasteful number, since it uses less digits than its factorization.

48651691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4422892.

The product of its digits is 51840, while the sum is 40.

The square root of 48651691 is about 6975.0764153520. The cubic root of 48651691 is about 365.0614545927.

It can be divided in two parts, 4865 and 1691, that added together give a palindrome (6556).

The spelling of 48651691 in words is "forty-eight million, six hundred fifty-one thousand, six hundred ninety-one".