550555550555 has 32 divisors (see below), whose sum is σ = 672662664000. Its totient is φ = 432527040000.

The previous prime is 550555550549. The next prime is 550555550579. The reversal of 550555550555 is 555055555055.

It is not a de Polignac number, because 550555550555 - 2¹⁶ = 550555485019 is a prime.

It is a super-2 number, since 2×550555550555² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55601105 + ... + 55611005.

It is an arithmetic number, because the mean of its divisors is an integer number (21020708250).

Almost surely, 2^550555550555 is an apocalyptic number.

550555550555 is a deficient number, since it is larger than the sum of its proper divisors (122107113445).

550555550555 is a wasteful number, since it uses less digits than its factorization.

550555550555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10895.

The product of its (nonzero) digits is 9765625, while the sum is 50.

The spelling of 550555550555 in words is "five hundred fifty billion, five hundred fifty-five million, five hundred fifty thousand, five hundred fifty-five".