5501005551 has 12 divisors (see below), whose sum is σ = 7993479312. Its totient is φ = 3645375936.

The previous prime is 5501005511. The next prime is 5501005553. The reversal of 5501005551 is 1555001055.

5501005551 is a `hidden beast` number, since 5 + 5 + 0 + 100 + 5 + 551 = 666.

It is not a de Polignac number, because 5501005551 - 2⁶ = 5501005487 is a prime.

It is a super-2 number, since 2×5501005551² = 60522124144265627202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5501005553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1828506 + ... + 1831511.

It is an arithmetic number, because the mean of its divisors is an integer number (666123276).

Almost surely, 2^5501005551 is an apocalyptic number.

5501005551 is a deficient number, since it is larger than the sum of its proper divisors (2492473761).

5501005551 is a wasteful number, since it uses less digits than its factorization.

5501005551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3660190 (or 3660187 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 27.

The square root of 5501005551 is about 74168.7639845778. The cubic root of 5501005551 is about 1765.2817352078.

The spelling of 5501005551 in words is "five billion, five hundred one million, five thousand, five hundred fifty-one".