53528851 has 4 divisors (see below), whose sum is σ = 54773752. Its totient is φ = 52283952.

The previous prime is 53528807. The next prime is 53528861. The reversal of 53528851 is 15882535.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53528851 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53528851.

It is not an unprimeable number, because it can be changed into a prime (53528861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 622386 + ... + 622471.

It is an arithmetic number, because the mean of its divisors is an integer number (13693438).

Almost surely, 2^53528851 is an apocalyptic number.

53528851 is a deficient number, since it is larger than the sum of its proper divisors (1244901).

53528851 is a wasteful number, since it uses less digits than its factorization.

53528851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244900.

The product of its digits is 48000, while the sum is 37.

The square root of 53528851 is about 7316.3413671042. The cubic root of 53528851 is about 376.8738235357.

The spelling of 53528851 in words is "fifty-three million, five hundred twenty-eight thousand, eight hundred fifty-one".