53227520 has 104 divisors (see below), whose sum is σ = 134463456. Its totient is φ = 20185088.

The previous prime is 53227519. The next prime is 53227523. The reversal of 53227520 is 2572235.

It is a self number, because there is not a number n which added to its sum of digits gives 53227520.

It is not an unprimeable number, because it can be changed into a prime (53227523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470984 + ... + 471096.

Almost surely, 2^53227520 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 53227520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67231728).

53227520 is an abundant number, since it is smaller than the sum of its proper divisors (81235936).

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

53227520 is a wasteful number, since it uses less digits than its factorization.

53227520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 53227520 is about 7295.7192928456. The cubic root of 53227520 is about 376.1653113439.

Adding to 53227520 its reverse (2572235), we get a palindrome (55799755).

The spelling of 53227520 in words is "fifty-three million, two hundred twenty-seven thousand, five hundred twenty".