53200000 has 192 divisors, whose sum is σ = 159364800. Its totient is φ = 17280000.

The previous prime is 53199997. The next prime is 53200009. The reversal of 53200000 is 235.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 53200000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53200009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2799991 + ... + 2800009.

It is an arithmetic number, because the mean of its divisors is an integer number (830025).

Almost surely, 2^53200000 is an apocalyptic number.

53200000 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 53200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79682400).

53200000 is an abundant number, since it is smaller than the sum of its proper divisors (106164800).

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

53200000 is an frugal number, since it uses more digits than its factorization.

53200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65 (or 33 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 10.

The square root of 53200000 is about 7293.8330115242. The cubic root of 53200000 is about 376.1004711136.

Adding to 53200000 its reverse (235), we get a palindrome (53200235).

It can be divided in two parts, 5 and 3200000, that multiplied together give a square (16000000 = 4000²).

The spelling of 53200000 in words is "fifty-three million, two hundred thousand".