505753853 has 4 divisors (see below), whose sum is σ = 551731488. Its totient is φ = 459776220.

The previous prime is 505753849. The next prime is 505753861. The reversal of 505753853 is 358357505.

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 505753853 - 2² = 505753849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 505753853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505753253) 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, 22988801 + ... + 22988822.

It is an arithmetic number, because the mean of its divisors is an integer number (137932872).

Almost surely, 2^505753853 is an apocalyptic number.

It is an amenable number.

505753853 is a deficient number, since it is larger than the sum of its proper divisors (45977635).

505753853 is a wasteful number, since it uses less digits than its factorization.

505753853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45977634.

The product of its (nonzero) digits is 315000, while the sum is 41.

The square root of 505753853 is about 22488.9718084220. The cubic root of 505753853 is about 796.7334788906.

The spelling of 505753853 in words is "five hundred five million, seven hundred fifty-three thousand, eight hundred fifty-three".