53432448 has 64 divisors (see below), whose sum is σ = 142693920. Its totient is φ = 17715200.

The previous prime is 53432447. The next prime is 53432459. The reversal of 53432448 is 84423435.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (53432447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133048 + ... + 133448.

Almost surely, 2^53432448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53432448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71346960).

53432448 is an abundant number, since it is smaller than the sum of its proper divisors (89261472).

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

53432448 is a wasteful number, since it uses less digits than its factorization.

53432448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765 (or 753 counting only the distinct ones).

The product of its digits is 46080, while the sum is 33.

The square root of 53432448 is about 7309.7502009303. The cubic root of 53432448 is about 376.6474434373.

The spelling of 53432448 in words is "fifty-three million, four hundred thirty-two thousand, four hundred forty-eight".