48385665 has 12 divisors (see below), whose sum is σ = 83868564. Its totient is φ = 25805664.

The previous prime is 48385663. The next prime is 48385693. The reversal of 48385665 is 56658384.

48385665 is a `hidden beast` number, since 4 + 83 + 8 + 566 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24532209 + 23853456 = 4953^2 + 4884^2 .

It is not a de Polignac number, because 48385665 - 2¹ = 48385663 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1075237 = 48385665 / (4 + 8 + 3 + 8 + 5 + 6 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 48385665.

It is not an unprimeable number, because it can be changed into a prime (48385663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 537574 + ... + 537663.

It is an arithmetic number, because the mean of its divisors is an integer number (6989047).

Almost surely, 2^48385665 is an apocalyptic number.

48385665 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

48385665 is a deficient number, since it is larger than the sum of its proper divisors (35482899).

48385665 is a wasteful number, since it uses less digits than its factorization.

48385665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075248 (or 1075245 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 48385665 is about 6955.9805203868. The cubic root of 48385665 is about 364.3948564057.

The spelling of 48385665 in words is "forty-eight million, three hundred eighty-five thousand, six hundred sixty-five".