48976921 has 6 divisors (see below), whose sum is σ = 56973210. Its totient is φ = 41980176.

The previous prime is 48976909. The next prime is 48976943. The reversal of 48976921 is 12967984.

48976921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 37687321 + 11289600 = 6139^2 + 3360^2 .

It is not a de Polignac number, because 48976921 - 2⁹ = 48976409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48976901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 499716 + ... + 499813.

It is an arithmetic number, because the mean of its divisors is an integer number (9495535).

Almost surely, 2^48976921 is an apocalyptic number.

48976921 is the 4041-st hex number.

It is an amenable number.

48976921 is a deficient number, since it is larger than the sum of its proper divisors (7996289).

48976921 is an equidigital number, since it uses as much as digits as its factorization.

48976921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999543 (or 999536 counting only the distinct ones).

The product of its digits is 217728, while the sum is 46.

The square root of 48976921 is about 6998.3513058434. The cubic root of 48976921 is about 365.8731108805.

The spelling of 48976921 in words is "forty-eight million, nine hundred seventy-six thousand, nine hundred twenty-one".