48928129 has 4 divisors (see below), whose sum is σ = 50121540. Its totient is φ = 47734720.

The previous prime is 48928127. The next prime is 48928163. The reversal of 48928129 is 92182984.

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 7711729 + 41216400 = 2777^2 + 6420^2 .

It is a cyclic number.

It is not a de Polignac number, because 48928129 - 2¹ = 48928127 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48928123) 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, 596644 + ... + 596725.

It is an arithmetic number, because the mean of its divisors is an integer number (12530385).

Almost surely, 2^48928129 is an apocalyptic number.

It is an amenable number.

48928129 is a deficient number, since it is larger than the sum of its proper divisors (1193411).

48928129 is a wasteful number, since it uses less digits than its factorization.

48928129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193410.

The product of its digits is 82944, while the sum is 43.

The square root of 48928129 is about 6994.8644733118. The cubic root of 48928129 is about 365.7515732811.

The spelling of 48928129 in words is "forty-eight million, nine hundred twenty-eight thousand, one hundred twenty-nine".