53887667 has 8 divisors (see below), whose sum is σ = 57408960. Its totient is φ = 50434920.

The previous prime is 53887657. The next prime is 53887679. The reversal of 53887667 is 76678835.

53887667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53887667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53887657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15509 + ... + 18662.

It is an arithmetic number, because the mean of its divisors is an integer number (7176120).

Almost surely, 2^53887667 is an apocalyptic number.

53887667 is a deficient number, since it is larger than the sum of its proper divisors (3521293).

53887667 is a wasteful number, since it uses less digits than its factorization.

53887667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34273.

The product of its digits is 1693440, while the sum is 50.

The square root of 53887667 is about 7340.8219567021. The cubic root of 53887667 is about 377.7140391088.

The spelling of 53887667 in words is "fifty-three million, eight hundred eighty-seven thousand, six hundred sixty-seven".