550432545555 has 16 divisors (see below), whose sum is σ = 881520595200. Its totient is φ = 293287850208.

The previous prime is 550432545499. The next prime is 550432545557. The reversal of 550432545555 is 555545234055.

It is not a de Polignac number, because 550432545555 - 2⁷ = 550432545427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550432545557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17244405 + ... + 17276294.

It is an arithmetic number, because the mean of its divisors is an integer number (55095037200).

Almost surely, 2^550432545555 is an apocalyptic number.

550432545555 is a deficient number, since it is larger than the sum of its proper divisors (331088049645).

550432545555 is a wasteful number, since it uses less digits than its factorization.

550432545555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34521770.

The product of its (nonzero) digits is 7500000, while the sum is 48.

The spelling of 550432545555 in words is "five hundred fifty billion, four hundred thirty-two million, five hundred forty-five thousand, five hundred fifty-five".