48444889 has 4 divisors (see below), whose sum is σ = 50994640. Its totient is φ = 45895140.

The previous prime is 48444887. The next prime is 48444899. The reversal of 48444889 is 98844484.

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 not a de Polignac number, because 48444889 - 2¹ = 48444887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48444881) 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, 1274847 + ... + 1274884.

It is an arithmetic number, because the mean of its divisors is an integer number (12748660).

Almost surely, 2^48444889 is an apocalyptic number.

It is an amenable number.

48444889 is a deficient number, since it is larger than the sum of its proper divisors (2549751).

48444889 is a wasteful number, since it uses less digits than its factorization.

48444889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549750.

The product of its digits is 1179648, while the sum is 49.

The square root of 48444889 is about 6960.2362747252. The cubic root of 48444889 is about 364.5434687544.

The spelling of 48444889 in words is "forty-eight million, four hundred forty-four thousand, eight hundred eighty-nine".