53000448 has 36 divisors (see below), whose sum is σ = 141060528. Its totient is φ = 17666560.

The previous prime is 53000393. The next prime is 53000449. The reversal of 53000448 is 84400035.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (53000449) 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, 33738 + ... + 35273.

It is an arithmetic number, because the mean of its divisors is an integer number (3918348).

Almost surely, 2^53000448 is an apocalyptic number.

It is an amenable number.

53000448 is an abundant number, since it is smaller than the sum of its proper divisors (88060080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53000448 is an equidigital number, since it uses as much as digits as its factorization.

53000448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69030 (or 69016 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 53000448 is about 7280.1406579818. The cubic root of 53000448 is about 375.6296337940.

The spelling of 53000448 in words is "fifty-three million, four hundred forty-eight", and thus it is an aban number.