48688509 has 4 divisors (see below), whose sum is σ = 64918016. Its totient is φ = 32459004.

The previous prime is 48688501. The next prime is 48688529. The reversal of 48688509 is 90588684.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 48688509 - 2³ = 48688501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48688501) 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, 8114749 + ... + 8114754.

It is an arithmetic number, because the mean of its divisors is an integer number (16229504).

Almost surely, 2^48688509 is an apocalyptic number.

It is an amenable number.

48688509 is a deficient number, since it is larger than the sum of its proper divisors (16229507).

48688509 is a wasteful number, since it uses less digits than its factorization.

48688509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16229506.

The product of its (nonzero) digits is 552960, while the sum is 48.

The square root of 48688509 is about 6977.7151704552. The cubic root of 48688509 is about 365.1535202075.

The spelling of 48688509 in words is "forty-eight million, six hundred eighty-eight thousand, five hundred nine".