48053521 has 4 divisors (see below), whose sum is σ = 48114612. Its totient is φ = 47992432.

The previous prime is 48053513. The next prime is 48053531. The reversal of 48053521 is 12535084.

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 19580625 + 28472896 = 4425^2 + 5336^2 .

It is a cyclic number.

It is not a de Polignac number, because 48053521 - 2³ = 48053513 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 48053521.

It is not an unprimeable number, because it can be changed into a prime (48053501) 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, 29350 + ... + 30943.

It is an arithmetic number, because the mean of its divisors is an integer number (12028653).

Almost surely, 2^48053521 is an apocalyptic number.

It is an amenable number.

48053521 is a deficient number, since it is larger than the sum of its proper divisors (61091).

48053521 is an equidigital number, since it uses as much as digits as its factorization.

48053521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61090.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 48053521 is about 6932.0646996404. The cubic root of 48053521 is about 363.5591435481.

The spelling of 48053521 in words is "forty-eight million, fifty-three thousand, five hundred twenty-one".