48649565 has 4 divisors (see below), whose sum is σ = 58379484. Its totient is φ = 38919648.

The previous prime is 48649547. The next prime is 48649567. The reversal of 48649565 is 56594684.

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 36132121 + 12517444 = 6011^2 + 3538^2 .

It is a cyclic number.

It is not a de Polignac number, because 48649565 - 2⁸ = 48649309 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 (48649567) 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, 4864952 + ... + 4864961.

It is an arithmetic number, because the mean of its divisors is an integer number (14594871).

Almost surely, 2^48649565 is an apocalyptic number.

It is an amenable number.

48649565 is a deficient number, since it is larger than the sum of its proper divisors (9729919).

48649565 is an equidigital number, since it uses as much as digits as its factorization.

48649565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9729918.

The product of its digits is 1036800, while the sum is 47.

The square root of 48649565 is about 6974.9240139230. The cubic root of 48649565 is about 365.0561369840.

The spelling of 48649565 in words is "forty-eight million, six hundred forty-nine thousand, five hundred sixty-five".