48664569 has 4 divisors (see below), whose sum is σ = 64886096. Its totient is φ = 32443044.

The previous prime is 48664549. The next prime is 48664571. The reversal of 48664569 is 96546684.

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 not a de Polignac number, because 48664569 - 2⁵ = 48664537 is a prime.

It is a super-2 number, since 2×48664569² = 4736480551911522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (48664549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8110759 + ... + 8110764.

It is an arithmetic number, because the mean of its divisors is an integer number (16221524).

Almost surely, 2^48664569 is an apocalyptic number.

It is an amenable number.

48664569 is a deficient number, since it is larger than the sum of its proper divisors (16221527).

48664569 is a wasteful number, since it uses less digits than its factorization.

48664569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16221526.

The product of its digits is 1244160, while the sum is 48.

The square root of 48664569 is about 6975.9994982798. Note that the first 3 decimals coincide. The cubic root of 48664569 is about 365.0936620834.

The spelling of 48664569 in words is "forty-eight million, six hundred sixty-four thousand, five hundred sixty-nine".