10055005550 has 24 divisors (see below), whose sum is σ = 18867828096. Its totient is φ = 3986407040.

The previous prime is 10055005549. The next prime is 10055005573. The reversal of 10055005550 is 5550055001.

It is a super-2 number, since 2×10055005550² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 884174 + ... + 895473.

It is an arithmetic number, because the mean of its divisors is an integer number (786159504).

Almost surely, 2^10055005550 is an apocalyptic number.

10055005550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10055005550 is a deficient number, since it is larger than the sum of its proper divisors (8812822546).

10055005550 is a wasteful number, since it uses less digits than its factorization.

10055005550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779772 (or 1779767 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 26.

The spelling of 10055005550 in words is "ten billion, fifty-five million, five thousand, five hundred fifty".