53200340 has 48 divisors (see below), whose sum is σ = 117573120. Its totient is φ = 20192640.

The previous prime is 53200333. The next prime is 53200349. The reversal of 53200340 is 4300235.

It is a super-2 number, since 2×53200340² = 5660552352231200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53200349) 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, 32051 + ... + 33669.

It is an arithmetic number, because the mean of its divisors is an integer number (2449440).

Almost surely, 2^53200340 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 53200340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58786560).

53200340 is an abundant number, since it is smaller than the sum of its proper divisors (64372780).

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

53200340 is a wasteful number, since it uses less digits than its factorization.

53200340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712 (or 1710 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 53200340 is about 7293.8563188481. The cubic root of 53200340 is about 376.1012723284.

Adding to 53200340 its reverse (4300235), we get a palindrome (57500575).

The spelling of 53200340 in words is "fifty-three million, two hundred thousand, three hundred forty".