48889009 has 4 divisors (see below), whose sum is σ = 52649716. Its totient is φ = 45128304.

The previous prime is 48888971. The next prime is 48889013. The reversal of 48889009 is 90098884.

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 26040609 + 22848400 = 5103^2 + 4780^2 .

It is not a de Polignac number, because 48889009 - 2¹⁷ = 48757937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48889009.

It is not an unprimeable number, because it can be changed into a prime (48889039) 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, 1880334 + ... + 1880359.

It is an arithmetic number, because the mean of its divisors is an integer number (13162429).

Almost surely, 2^48889009 is an apocalyptic number.

It is an amenable number.

48889009 is a deficient number, since it is larger than the sum of its proper divisors (3760707).

48889009 is a wasteful number, since it uses less digits than its factorization.

48889009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3760706.

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 48889009 is about 6992.0675769046. The cubic root of 48889009 is about 365.6540696102.

The spelling of 48889009 in words is "forty-eight million, eight hundred eighty-nine thousand, nine".