48642289 has 4 divisors (see below), whose sum is σ = 48656500. Its totient is φ = 48628080.

The previous prime is 48642281. The next prime is 48642301. The reversal of 48642289 is 98224684.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 17472400 + 31169889 = 4180^2 + 5583^2 .

It is a cyclic number.

It is not a de Polignac number, because 48642289 - 2³ = 48642281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48642281) 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, 1519 + ... + 9979.

It is an arithmetic number, because the mean of its divisors is an integer number (12164125).

Almost surely, 2^48642289 is an apocalyptic number.

It is an amenable number.

48642289 is a deficient number, since it is larger than the sum of its proper divisors (14211).

48642289 is an equidigital number, since it uses as much as digits as its factorization.

48642289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14210.

The product of its digits is 221184, while the sum is 43.

The square root of 48642289 is about 6974.4024116766. The cubic root of 48642289 is about 365.0379368838.

The spelling of 48642289 in words is "forty-eight million, six hundred forty-two thousand, two hundred eighty-nine".