53007280 has 20 divisors (see below), whose sum is σ = 123242112. Its totient is φ = 21202880.

The previous prime is 53007247. The next prime is 53007287. The reversal of 53007280 is 8270035.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (53007287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331216 + ... + 331375.

Almost surely, 2^53007280 is an apocalyptic number.

It is an amenable number.

53007280 is an abundant number, since it is smaller than the sum of its proper divisors (70234832).

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

53007280 is a wasteful number, since it uses less digits than its factorization.

53007280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662604 (or 662598 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 53007280 is about 7280.6098645649. The cubic root of 53007280 is about 375.6457732261.

The spelling of 53007280 in words is "fifty-three million, seven thousand, two hundred eighty".