48780289 has 4 divisors (see below), whose sum is σ = 48796740. Its totient is φ = 48763840.

The previous prime is 48780269. The next prime is 48780301. The reversal of 48780289 is 98208784.

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

It can be written as a sum of positive squares in 2 ways, for example, as 42354064 + 6426225 = 6508^2 + 2535^2 .

It is a cyclic number.

It is not a de Polignac number, because 48780289 - 2⁷ = 48780161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48780229) 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, 2404 + ... + 10165.

It is an arithmetic number, because the mean of its divisors is an integer number (12199185).

Almost surely, 2^48780289 is an apocalyptic number.

It is an amenable number.

48780289 is a deficient number, since it is larger than the sum of its proper divisors (16451).

48780289 is a wasteful number, since it uses less digits than its factorization.

48780289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16450.

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 48780289 is about 6984.2887254179. The cubic root of 48780289 is about 365.3828197176.

The spelling of 48780289 in words is "forty-eight million, seven hundred eighty thousand, two hundred eighty-nine".