48649569 has 4 divisors (see below), whose sum is σ = 64866096. Its totient is φ = 32433044.

The previous prime is 48649567. The next prime is 48649589. The reversal of 48649569 is 96594684.

48649569 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 48649569 - 2¹ = 48649567 is a prime.

It is a super-2 number, since 2×48649569² = 4733561127771522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (48649567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8108259 + ... + 8108264.

It is an arithmetic number, because the mean of its divisors is an integer number (16216524).

Almost surely, 2^48649569 is an apocalyptic number.

It is an amenable number.

48649569 is a deficient number, since it is larger than the sum of its proper divisors (16216527).

48649569 is a wasteful number, since it uses less digits than its factorization.

48649569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16216526.

The product of its digits is 1866240, while the sum is 51.

The square root of 48649569 is about 6974.9243006645. The cubic root of 48649569 is about 365.0561469891.

The spelling of 48649569 in words is "forty-eight million, six hundred forty-nine thousand, five hundred sixty-nine".