505500302775 has 48 divisors (see below), whose sum is σ = 900132082304. Its totient is φ = 248838929280.

The previous prime is 505500302773. The next prime is 505500302779. The reversal of 505500302775 is 577203005505.

It is not a de Polignac number, because 505500302775 - 2¹ = 505500302773 is a prime.

It is a super-2 number, since 2×505500302775² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505500302771) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16664172 + ... + 16694478.

Almost surely, 2^505500302775 is an apocalyptic number.

505500302775 is a deficient number, since it is larger than the sum of its proper divisors (394631779529).

505500302775 is a wasteful number, since it uses less digits than its factorization.

505500302775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47440 (or 47435 counting only the distinct ones).

The product of its (nonzero) digits is 183750, while the sum is 39.

The spelling of 505500302775 in words is "five hundred five billion, five hundred million, three hundred two thousand, seven hundred seventy-five".