48447289 has 4 divisors (see below), whose sum is σ = 52851600. Its totient is φ = 44042980.

The previous prime is 48447233. The next prime is 48447299. The reversal of 48447289 is 98274484.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48447289 is a prime.

It is a super-2 number, since 2×48447289² = 4694279622899042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48447209) 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, 2202139 + ... + 2202160.

It is an arithmetic number, because the mean of its divisors is an integer number (13212900).

Almost surely, 2^48447289 is an apocalyptic number.

It is an amenable number.

48447289 is a deficient number, since it is larger than the sum of its proper divisors (4404311).

48447289 is a wasteful number, since it uses less digits than its factorization.

48447289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4404310.

The product of its digits is 516096, while the sum is 46.

The square root of 48447289 is about 6960.4086805302. The cubic root of 48447289 is about 364.5494885836.

The spelling of 48447289 in words is "forty-eight million, four hundred forty-seven thousand, two hundred eighty-nine".