503543053 has 8 divisors (see below), whose sum is σ = 542826648. Its totient is φ = 464337984.

The previous prime is 503542987. The next prime is 503543059. The reversal of 503543053 is 350345305.

It can be written as a sum of positive squares in 4 ways, for example, as 14160169 + 489382884 = 3763^2 + 22122^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 503543053 - 2²⁵ = 469988621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503543059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5950 + ... + 32287.

It is an arithmetic number, because the mean of its divisors is an integer number (67853331).

Almost surely, 2^503543053 is an apocalyptic number.

It is an amenable number.

503543053 is a deficient number, since it is larger than the sum of its proper divisors (39283595).

503543053 is a wasteful number, since it uses less digits than its factorization.

503543053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39263.

The product of its (nonzero) digits is 13500, while the sum is 28.

The square root of 503543053 is about 22439.7649943131. The cubic root of 503543053 is about 795.5708637987.

Adding to 503543053 its reverse (350345305), we get a palindrome (853888358).

The spelling of 503543053 in words is "five hundred three million, five hundred forty-three thousand, fifty-three".