53487328 has 24 divisors (see below), whose sum is σ = 109883088. Its totient is φ = 25580544.

The previous prime is 53487289. The next prime is 53487331. The reversal of 53487328 is 82378435.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35601 + ... + 37072.

It is an arithmetic number, because the mean of its divisors is an integer number (4578462).

Almost surely, 2^53487328 is an apocalyptic number.

It is an amenable number.

53487328 is an abundant number, since it is smaller than the sum of its proper divisors (56395760).

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

53487328 is a wasteful number, since it uses less digits than its factorization.

53487328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72706 (or 72698 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 53487328 is about 7313.5031277767. The cubic root of 53487328 is about 376.7763497461.

The spelling of 53487328 in words is "fifty-three million, four hundred eighty-seven thousand, three hundred twenty-eight".