53456328 has 64 divisors (see below), whose sum is σ = 149212800. Its totient is φ = 17732160.

The previous prime is 53456323. The next prime is 53456357. The reversal of 53456328 is 82365435.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 53456292 and 53456301.

It is not an unprimeable number, because it can be changed into a prime (53456323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56338 + ... + 57278.

It is an arithmetic number, because the mean of its divisors is an integer number (2331450).

Almost surely, 2^53456328 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 53456328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74606400).

53456328 is an abundant number, since it is smaller than the sum of its proper divisors (95756472).

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

53456328 is a wasteful number, since it uses less digits than its factorization.

53456328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219 (or 1209 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 53456328 is about 7311.3834532187. The cubic root of 53456328 is about 376.7035454359.

The spelling of 53456328 in words is "fifty-three million, four hundred fifty-six thousand, three hundred twenty-eight".