5505505550 has 48 divisors (see below), whose sum is σ = 10788260400. Its totient is φ = 2084544000.

The previous prime is 5505505547. The next prime is 5505505553. The reversal of 5505505550 is 555055055.

It is an interprime number because it is at equal distance from previous prime (5505505547) and next prime (5505505553).

It is a super-2 number, since 2×5505505550² = 60621182722161605000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5505505550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5505505553) 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, 1964150 + ... + 1966950.

It is an arithmetic number, because the mean of its divisors is an integer number (224755425).

Almost surely, 2^5505505550 is an apocalyptic number.

5505505550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5505505550 is a deficient number, since it is larger than the sum of its proper divisors (5282754850).

5505505550 is a wasteful number, since it uses less digits than its factorization.

5505505550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4901 (or 4896 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 35.

The square root of 5505505550 is about 74199.0939971641. The cubic root of 5505505550 is about 1765.7629563754.

It can be divided in two parts, 5505505 and 550, that added together give a palindrome (5506055).

The spelling of 5505505550 in words is "five billion, five hundred five million, five hundred five thousand, five hundred fifty".