48644665 has 4 divisors (see below), whose sum is σ = 58373604. Its totient is φ = 38915728.

The previous prime is 48644663. The next prime is 48644669. The reversal of 48644665 is 56644684.

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 26091664 + 22553001 = 5108^2 + 4749^2 .

It is a cyclic number.

It is not a de Polignac number, because 48644665 - 2¹ = 48644663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48644663) 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, 4864462 + ... + 4864471.

It is an arithmetic number, because the mean of its divisors is an integer number (14593401).

Almost surely, 2^48644665 is an apocalyptic number.

It is an amenable number.

48644665 is a deficient number, since it is larger than the sum of its proper divisors (9728939).

48644665 is an equidigital number, since it uses as much as digits as its factorization.

48644665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9728938.

The product of its digits is 552960, while the sum is 43.

The square root of 48644665 is about 6974.5727467709. The cubic root of 48644665 is about 365.0438803816.

The spelling of 48644665 in words is "forty-eight million, six hundred forty-four thousand, six hundred sixty-five".