48708921 has 4 divisors (see below), whose sum is σ = 64945232. Its totient is φ = 32472612.

The previous prime is 48708901. The next prime is 48708923. The reversal of 48708921 is 12980784.

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 48708921 - 2⁵ = 48708889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48708921.

It is not an unprimeable number, because it can be changed into a prime (48708923) 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, 8118151 + ... + 8118156.

It is an arithmetic number, because the mean of its divisors is an integer number (16236308).

Almost surely, 2^48708921 is an apocalyptic number.

It is an amenable number.

48708921 is a deficient number, since it is larger than the sum of its proper divisors (16236311).

48708921 is a wasteful number, since it uses less digits than its factorization.

48708921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16236310.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 48708921 is about 6979.1776736232. The cubic root of 48708921 is about 365.2045416391.

The spelling of 48708921 in words is "forty-eight million, seven hundred eight thousand, nine hundred twenty-one".