5511100550 has 48 divisors (see below), whose sum is σ = 10638872640. Its totient is φ = 2121450240.

The previous prime is 5511100549. The next prime is 5511100561. The reversal of 5511100550 is 550011155.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 447779 + ... + 459921.

It is an arithmetic number, because the mean of its divisors is an integer number (221643180).

Almost surely, 2^5511100550 is an apocalyptic number.

5511100550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5511100550 is a deficient number, since it is larger than the sum of its proper divisors (5127772090).

5511100550 is a wasteful number, since it uses less digits than its factorization.

5511100550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12497 (or 12492 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 23.

The square root of 5511100550 is about 74236.7870398497. The cubic root of 5511100550 is about 1766.3609092706.

The spelling of 5511100550 in words is "five billion, five hundred eleven million, one hundred thousand, five hundred fifty".