53318000 has 80 divisors (see below), whose sum is σ = 131616576. Its totient is φ = 20883200.

The previous prime is 53317981. The next prime is 53318017. The reversal of 53318000 is 81335.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105749 + ... + 106251.

Almost surely, 2^53318000 is an apocalyptic number.

53318000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53318000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65808288).

53318000 is an abundant number, since it is smaller than the sum of its proper divisors (78298576).

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

53318000 is a wasteful number, since it uses less digits than its factorization.

53318000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 53318000 is about 7301.9175563683. The cubic root of 53318000 is about 376.3783350471.

Adding to 53318000 its reverse (81335), we get a palindrome (53399335).

It can be divided in two parts, 5331 and 8000, that added together give a palindrome (13331).

The spelling of 53318000 in words is "fifty-three million, three hundred eighteen thousand".