523505053 has 4 divisors (see below), whose sum is σ = 532378080. Its totient is φ = 514632028.

The previous prime is 523505051. The next prime is 523505069. The reversal of 523505053 is 350505325.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 523505053 - 2¹ = 523505051 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 (523505051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4436425 + ... + 4436542.

It is an arithmetic number, because the mean of its divisors is an integer number (133094520).

Almost surely, 2^523505053 is an apocalyptic number.

It is an amenable number.

523505053 is a deficient number, since it is larger than the sum of its proper divisors (8873027).

523505053 is an equidigital number, since it uses as much as digits as its factorization.

523505053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8873026.

The product of its (nonzero) digits is 11250, while the sum is 28.

The square root of 523505053 is about 22880.2328003891. The cubic root of 523505053 is about 805.9478838573.

The spelling of 523505053 in words is "five hundred twenty-three million, five hundred five thousand, fifty-three".