48739511 has 4 divisors (see below), whose sum is σ = 49873032. Its totient is φ = 47605992.

The previous prime is 48739501. The next prime is 48739513. The reversal of 48739511 is 11593784.

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 48739511 - 2¹⁴ = 48723127 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 (48739513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566696 + ... + 566781.

It is an arithmetic number, because the mean of its divisors is an integer number (12468258).

Almost surely, 2^48739511 is an apocalyptic number.

48739511 is a deficient number, since it is larger than the sum of its proper divisors (1133521).

48739511 is a wasteful number, since it uses less digits than its factorization.

48739511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133520.

The product of its digits is 30240, while the sum is 38.

The square root of 48739511 is about 6981.3688485855. The cubic root of 48739511 is about 365.2809771179.

The spelling of 48739511 in words is "forty-eight million, seven hundred thirty-nine thousand, five hundred eleven".