550255780503 has 24 divisors (see below), whose sum is σ = 933767387280. Its totient is φ = 307835400960.

The previous prime is 550255780483. The next prime is 550255780523. The reversal of 550255780503 is 305087552055.

550255780503 is a `hidden beast` number, since 5 + 5 + 0 + 25 + 578 + 0 + 50 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (550255780483) and next prime (550255780523).

It is not a de Polignac number, because 550255780503 - 2⁵ = 550255780471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550255780523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 213773298 + ... + 213775871.

It is an arithmetic number, because the mean of its divisors is an integer number (38906974470).

Almost surely, 2^550255780503 is an apocalyptic number.

550255780503 is a deficient number, since it is larger than the sum of its proper divisors (383511606777).

550255780503 is a wasteful number, since it uses less digits than its factorization.

550255780503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427549199 (or 427549196 counting only the distinct ones).

The product of its (nonzero) digits is 1050000, while the sum is 45.

The spelling of 550255780503 in words is "five hundred fifty billion, two hundred fifty-five million, seven hundred eighty thousand, five hundred three".