48301921 has 4 divisors (see below), whose sum is σ = 49213332. Its totient is φ = 47390512.

The previous prime is 48301889. The next prime is 48301931. The reversal of 48301921 is 12910384.

It is a happy number.

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 15124321 + 33177600 = 3889^2 + 5760^2 .

It is a cyclic number.

It is not a de Polignac number, because 48301921 - 2⁵ = 48301889 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 48301921.

It is not an unprimeable number, because it can be changed into a prime (48301931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455626 + ... + 455731.

It is an arithmetic number, because the mean of its divisors is an integer number (12303333).

Almost surely, 2^48301921 is an apocalyptic number.

It is an amenable number.

48301921 is a deficient number, since it is larger than the sum of its proper divisors (911411).

48301921 is an equidigital number, since it uses as much as digits as its factorization.

48301921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911410.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 48301921 is about 6949.9583451989. The cubic root of 48301921 is about 364.1845082580.

The spelling of 48301921 in words is "forty-eight million, three hundred one thousand, nine hundred twenty-one".