53318448 has 60 divisors (see below), whose sum is σ = 149722560. Its totient is φ = 17712768.

The previous prime is 53318429. The next prime is 53318459. The reversal of 53318448 is 84481335.

53318448 is a `hidden beast` number, since 533 + 1 + 84 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68590 + ... + 69362.

It is an arithmetic number, because the mean of its divisors is an integer number (2495376).

Almost surely, 2^53318448 is an apocalyptic number.

It is an amenable number.

53318448 is an abundant number, since it is smaller than the sum of its proper divisors (96404112).

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

53318448 is a wasteful number, since it uses less digits than its factorization.

53318448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266 (or 1257 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 53318448 is about 7301.9482331772. The cubic root of 53318448 is about 376.3793892065.

It can be divided in two parts, 533 and 18448, that added together give a palindrome (18981).

The spelling of 53318448 in words is "fifty-three million, three hundred eighteen thousand, four hundred forty-eight".