48509011 has 4 divisors (see below), whose sum is σ = 49173592. Its totient is φ = 47844432.

The previous prime is 48508997. The next prime is 48509057. The reversal of 48509011 is 11090584.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 48509011 - 2¹³ = 48500819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48509711) 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 3 ways as a sum of consecutive naturals, for example, 332181 + ... + 332326.

It is an arithmetic number, because the mean of its divisors is an integer number (12293398).

Almost surely, 2^48509011 is an apocalyptic number.

48509011 is a deficient number, since it is larger than the sum of its proper divisors (664581).

48509011 is an equidigital number, since it uses as much as digits as its factorization.

48509011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664580.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 48509011 is about 6964.8410606417. The cubic root of 48509011 is about 364.7042352882.

Adding to 48509011 its reverse (11090584), we get a palindrome (59599595).

It can be divided in two parts, 4850 and 9011, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 48509011 in words is "forty-eight million, five hundred nine thousand, eleven".