48655665 has 12 divisors (see below), whose sum is σ = 84336564. Its totient is φ = 25949664.

The previous prime is 48655619. The next prime is 48655667. The reversal of 48655665 is 56655684.

It is a happy number.

48655665 is a `hidden beast` number, since 4 + 86 + 5 + 566 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 31911201 + 16744464 = 5649^2 + 4092^2 .

It is not a de Polignac number, because 48655665 - 2¹¹ = 48653617 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: 1081237 = 48655665 / (4 + 8 + 6 + 5 + 5 + 6 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 48655665.

It is not an unprimeable number, because it can be changed into a prime (48655667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 540574 + ... + 540663.

It is an arithmetic number, because the mean of its divisors is an integer number (7028047).

Almost surely, 2^48655665 is an apocalyptic number.

48655665 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

48655665 is a deficient number, since it is larger than the sum of its proper divisors (35680899).

48655665 is a wasteful number, since it uses less digits than its factorization.

48655665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081248 (or 1081245 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The square root of 48655665 is about 6975.3612809660. The cubic root of 48655665 is about 365.0713940534.

The spelling of 48655665 in words is "forty-eight million, six hundred fifty-five thousand, six hundred sixty-five".