53280528 has 40 divisors (see below), whose sum is σ = 157305408. Its totient is φ = 15222912.

The previous prime is 53280527. The next prime is 53280551. The reversal of 53280528 is 82508235.

It is not an unprimeable number, because it can be changed into a prime (53280527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78951 + ... + 79622.

Almost surely, 2^53280528 is an apocalyptic number.

It is an amenable number.

53280528 is an abundant number, since it is smaller than the sum of its proper divisors (104024880).

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

53280528 is a wasteful number, since it uses less digits than its factorization.

53280528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158591 (or 158585 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 53280528 is about 7299.3512040455. The cubic root of 53280528 is about 376.2901412271.

The spelling of 53280528 in words is "fifty-three million, two hundred eighty thousand, five hundred twenty-eight".