48013505 has 4 divisors (see below), whose sum is σ = 57616212. Its totient is φ = 38410800.

The previous prime is 48013477. The next prime is 48013571. The reversal of 48013505 is 50531084.

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 10608049 + 37405456 = 3257^2 + 6116^2 .

It is not a de Polignac number, because 48013505 - 2⁸ = 48013249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4801346 + ... + 4801355.

It is an arithmetic number, because the mean of its divisors is an integer number (14404053).

Almost surely, 2^48013505 is an apocalyptic number.

It is an amenable number.

48013505 is a deficient number, since it is larger than the sum of its proper divisors (9602707).

48013505 is an equidigital number, since it uses as much as digits as its factorization.

48013505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9602706.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 48013505 is about 6929.1778011536. The cubic root of 48013505 is about 363.4581990004.

Adding to 48013505 its reverse (50531084), we get a palindrome (98544589).

The spelling of 48013505 in words is "forty-eight million, thirteen thousand, five hundred five".