48687191 has 4 divisors (see below), whose sum is σ = 55642512. Its totient is φ = 41731872.

The previous prime is 48687181. The next prime is 48687193. The reversal of 48687191 is 19178684.

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

It is not a de Polignac number, because 48687191 - 2⁶ = 48687127 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 (48687193) 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, 3477650 + ... + 3477663.

It is an arithmetic number, because the mean of its divisors is an integer number (13910628).

Almost surely, 2^48687191 is an apocalyptic number.

48687191 is a deficient number, since it is larger than the sum of its proper divisors (6955321).

48687191 is an equidigital number, since it uses as much as digits as its factorization.

48687191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6955320.

The product of its digits is 96768, while the sum is 44.

The square root of 48687191 is about 6977.6207262935. The cubic root of 48687191 is about 365.1502252707.

The spelling of 48687191 in words is "forty-eight million, six hundred eighty-seven thousand, one hundred ninety-one".