53512803 has 6 divisors (see below), whose sum is σ = 77296284. Its totient is φ = 35675196.

The previous prime is 53512793. The next prime is 53512819. The reversal of 53512803 is 30821535.

53512803 is a `hidden beast` number, since 535 + 128 + 0 + 3 = 666.

It is not a de Polignac number, because 53512803 - 2¹⁰ = 53511779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53512003) 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 5 ways as a sum of consecutive naturals, for example, 2972925 + ... + 2972942.

It is an arithmetic number, because the mean of its divisors is an integer number (12882714).

Almost surely, 2^53512803 is an apocalyptic number.

53512803 is a deficient number, since it is larger than the sum of its proper divisors (23783481).

53512803 is a wasteful number, since it uses less digits than its factorization.

53512803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5945873 (or 5945870 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 53512803 is about 7315.2445618721. The cubic root of 53512803 is about 376.8361573955.

The spelling of 53512803 in words is "fifty-three million, five hundred twelve thousand, eight hundred three".