53521203 has 16 divisors (see below), whose sum is σ = 74856960. Its totient is φ = 33974496.

The previous prime is 53521189. The next prime is 53521267. The reversal of 53521203 is 30212535.

53521203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53521203 - 2¹³ = 53513011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53521203.

It is not an unprimeable number, because it can be changed into a prime (53521003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88 + ... + 10346.

It is an arithmetic number, because the mean of its divisors is an integer number (4678560).

Almost surely, 2^53521203 is an apocalyptic number.

53521203 is a deficient number, since it is larger than the sum of its proper divisors (21335757).

53521203 is a wasteful number, since it uses less digits than its factorization.

53521203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10346.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 53521203 is about 7315.8186828270. The cubic root of 53521203 is about 376.8558739115.

Adding to 53521203 its reverse (30212535), we get a palindrome (83733738).

It can be divided in two parts, 5352 and 1203, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 53521203 in words is "fifty-three million, five hundred twenty-one thousand, two hundred three".