53520434203503 has 4 divisors (see below), whose sum is σ = 71360578938008. Its totient is φ = 35680289469000.

The previous prime is 53520434203403. The next prime is 53520434203507. The reversal of 53520434203503 is 30530243402535.

53520434203503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 53520434203503 - 2¹⁰ = 53520434202479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53520434203507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8920072367248 + ... + 8920072367253.

It is an arithmetic number, because the mean of its divisors is an integer number (17840144734502).

Almost surely, 2^{53520434203503} is an apocalyptic number.

53520434203503 is a deficient number, since it is larger than the sum of its proper divisors (17840144734505).

53520434203503 is a wasteful number, since it uses less digits than its factorization.

53520434203503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17840144734504.

The product of its (nonzero) digits is 648000, while the sum is 39.

The spelling of 53520434203503 in words is "fifty-three trillion, five hundred twenty billion, four hundred thirty-four million, two hundred three thousand, five hundred three".