53318832 has 80 divisors (see below), whose sum is σ = 159275520. Its totient is φ = 15054336.

The previous prime is 53318827. The next prime is 53318833. The reversal of 53318832 is 23881335.

It is a junction number, because it is equal to n+sod(n) for n = 53318793 and 53318802.

It is not an unprimeable number, because it can be changed into a prime (53318833) 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, 29013 + ... + 30795.

It is an arithmetic number, because the mean of its divisors is an integer number (1990944).

Almost surely, 2^53318832 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 53318832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79637760).

53318832 is an abundant number, since it is smaller than the sum of its proper divisors (105956688).

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

53318832 is a wasteful number, since it uses less digits than its factorization.

53318832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890 (or 1884 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 53318832 is about 7301.9745274823. The cubic root of 53318832 is about 376.3802927671.

The spelling of 53318832 in words is "fifty-three million, three hundred eighteen thousand, eight hundred thirty-two".