48931687 has 4 divisors (see below), whose sum is σ = 55921936. Its totient is φ = 41941440.

The previous prime is 48931679. The next prime is 48931691. The reversal of 48931687 is 78613984.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 48931687 - 2³ = 48931679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48931607) 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, 3495114 + ... + 3495127.

It is an arithmetic number, because the mean of its divisors is an integer number (13980484).

Almost surely, 2^48931687 is an apocalyptic number.

48931687 is a deficient number, since it is larger than the sum of its proper divisors (6990249).

48931687 is an equidigital number, since it uses as much as digits as its factorization.

48931687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6990248.

The product of its digits is 290304, while the sum is 46.

The square root of 48931687 is about 6995.1187981335. The cubic root of 48931687 is about 365.7604387510.

The spelling of 48931687 in words is "forty-eight million, nine hundred thirty-one thousand, six hundred eighty-seven".