48478565 has 4 divisors (see below), whose sum is σ = 58174284. Its totient is φ = 38782848.

The previous prime is 48478561. The next prime is 48478603. The reversal of 48478565 is 56587484.

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 30492484 + 17986081 = 5522^2 + 4241^2 .

It is a cyclic number.

It is not a de Polignac number, because 48478565 - 2² = 48478561 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48478561) 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, 4847852 + ... + 4847861.

It is an arithmetic number, because the mean of its divisors is an integer number (14543571).

Almost surely, 2^48478565 is an apocalyptic number.

It is an amenable number.

48478565 is a deficient number, since it is larger than the sum of its proper divisors (9695719).

48478565 is an equidigital number, since it uses as much as digits as its factorization.

48478565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9695718.

The product of its digits is 1075200, while the sum is 47.

The square root of 48478565 is about 6962.6550252041. The cubic root of 48478565 is about 364.6279188213.

The spelling of 48478565 in words is "forty-eight million, four hundred seventy-eight thousand, five hundred sixty-five".