505510510053 has 16 divisors (see below), whose sum is σ = 676812672000. Its totient is φ = 335610562560.

The previous prime is 505510510051. The next prime is 505510510079. The reversal of 505510510053 is 350015015505.

It is not a de Polignac number, because 505510510053 - 2¹ = 505510510051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 505510510053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505510510051) 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 15 ways as a sum of consecutive naturals, for example, 341628 + ... + 1061946.

It is an arithmetic number, because the mean of its divisors is an integer number (42300792000).

Almost surely, 2^505510510053 is an apocalyptic number.

It is an amenable number.

505510510053 is a deficient number, since it is larger than the sum of its proper divisors (171302161947).

505510510053 is a wasteful number, since it uses less digits than its factorization.

505510510053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721292.

The product of its (nonzero) digits is 9375, while the sum is 30.

Adding to 505510510053 its reverse (350015015505), we get a palindrome (855525525558).

The spelling of 505510510053 in words is "five hundred five billion, five hundred ten million, five hundred ten thousand, fifty-three".