53091360 has 288 divisors, whose sum is σ = 217002240. Its totient is φ = 11556864.

The previous prime is 53091349. The next prime is 53091361. The reversal of 53091360 is 6319035.

53091360 is a nontrivial binomial coefficient, being equal to C(10305, 2).

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53091361) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 231726 + ... + 231954.

It is an arithmetic number, because the mean of its divisors is an integer number (753480).

Almost surely, 2^53091360 is an apocalyptic number.

53091360 is the 10304-th triangular number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53091360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108501120).

53091360 is an abundant number, since it is smaller than the sum of its proper divisors (163910880).

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

53091360 is a wasteful number, since it uses less digits than its factorization.

53091360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 53091360 is about 7286.3818181591. The cubic root of 53091360 is about 375.8442843971.

The spelling of 53091360 in words is "fifty-three million, ninety-one thousand, three hundred sixty".