53207280 has 480 divisors, whose sum is σ = 233985024. Its totient is φ = 10948608.

The previous prime is 53207279. The next prime is 53207281. The reversal of 53207280 is 8270235.

53207280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53207279) and next prime (53207281).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53207281) 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 95 ways as a sum of consecutive naturals, for example, 2313349 + ... + 2313371.

Almost surely, 2^53207280 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 53207280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116992512).

53207280 is an abundant number, since it is smaller than the sum of its proper divisors (180777744).

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

53207280 is a wasteful number, since it uses less digits than its factorization.

53207280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 53207280 is about 7294.3320461849. The cubic root of 53207280 is about 376.1176257912.

The spelling of 53207280 in words is "fifty-three million, two hundred seven thousand, two hundred eighty".