55856010550 has 12 divisors (see below), whose sum is σ = 103892179716. Its totient is φ = 22342404200.

The previous prime is 55856010503. The next prime is 55856010571. The reversal of 55856010550 is 5501065855.

It is a happy number.

It is a super-2 number, since 2×55856010550² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 558560056 + ... + 558560155.

It is an arithmetic number, because the mean of its divisors is an integer number (8657681643).

Almost surely, 2^55856010550 is an apocalyptic number.

55856010550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55856010550 is a deficient number, since it is larger than the sum of its proper divisors (48036169166).

55856010550 is a wasteful number, since it uses less digits than its factorization.

55856010550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117120223 (or 1117120218 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 40.

The spelling of 55856010550 in words is "fifty-five billion, eight hundred fifty-six million, ten thousand, five hundred fifty".