53251320 has 32 divisors (see below), whose sum is σ = 159754320. Its totient is φ = 14200320.

The previous prime is 53251313. The next prime is 53251321. The reversal of 53251320 is 2315235.

53251320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53251321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221761 + ... + 222000.

Almost surely, 2^53251320 is an apocalyptic number.

It is an amenable number.

53251320 is an abundant number, since it is smaller than the sum of its proper divisors (106503000).

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

53251320 is a wasteful number, since it uses less digits than its factorization.

53251320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443775 (or 443771 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 53251320 is about 7297.3502040124. The cubic root of 53251320 is about 376.2213688143.

Adding to 53251320 its reverse (2315235), we get a palindrome (55566555).

The spelling of 53251320 in words is "fifty-three million, two hundred fifty-one thousand, three hundred twenty".