53142528 has 44 divisors (see below), whose sum is σ = 141652400. Its totient is φ = 17713152.

The previous prime is 53142511. The next prime is 53142547. The reversal of 53142528 is 82524135.

It is a junction number, because it is equal to n+sod(n) for n = 53142495 and 53142504.

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, 5578 + ... + 11721.

Almost surely, 2^53142528 is an apocalyptic number.

It is an amenable number.

53142528 is an abundant number, since it is smaller than the sum of its proper divisors (88509872).

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

53142528 is a wasteful number, since it uses less digits than its factorization.

53142528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17322 (or 17304 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 53142528 is about 7289.8921802726. The cubic root of 53142528 is about 375.9649884406.

The spelling of 53142528 in words is "fifty-three million, one hundred forty-two thousand, five hundred twenty-eight".