53212528 has 20 divisors (see below), whose sum is σ = 103269928. Its totient is φ = 26562240.

The previous prime is 53212487. The next prime is 53212529. The reversal of 53212528 is 82521235.

It is a junction number, because it is equal to n+sod(n) for n = 53212496 and 53212505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53212529) 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, 8650 + ... + 13462.

Almost surely, 2^53212528 is an apocalyptic number.

It is an amenable number.

53212528 is a deficient number, since it is larger than the sum of its proper divisors (50057400).

53212528 is a wasteful number, since it uses less digits than its factorization.

53212528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5512 (or 5506 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 53212528 is about 7294.6917686767. The cubic root of 53212528 is about 376.1299912695.

The spelling of 53212528 in words is "fifty-three million, two hundred twelve thousand, five hundred twenty-eight".