550505000506 has 16 divisors (see below), whose sum is σ = 877917740544. Its totient is φ = 258317357584.

The previous prime is 550505000491. The next prime is 550505000509. The reversal of 550505000506 is 605000505055.

It is a super-2 number, since 2×550505000506² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (550505000509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112898506 + ... + 112903381.

It is an arithmetic number, because the mean of its divisors is an integer number (54869858784).

Almost surely, 2^550505000506 is an apocalyptic number.

550505000506 is a deficient number, since it is larger than the sum of its proper divisors (327412740038).

550505000506 is a wasteful number, since it uses less digits than its factorization.

550505000506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225801965.

The product of its (nonzero) digits is 18750, while the sum is 31.

The spelling of 550505000506 in words is "five hundred fifty billion, five hundred five million, five hundred six", and thus it is an aban number.