550432415545 has 16 divisors (see below), whose sum is σ = 706582992528. Its totient is φ = 410170613760.

The previous prime is 550432415537. The next prime is 550432415551. The reversal of 550432415545 is 545514234055.

It can be written as a sum of positive squares in 8 ways, for example, as 479653801 + 549952761744 = 21901^2 + 741588^2 .

It is not a de Polignac number, because 550432415545 - 2³ = 550432415537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33371526 + ... + 33388015.

It is an arithmetic number, because the mean of its divisors is an integer number (44161437033).

Almost surely, 2^550432415545 is an apocalyptic number.

It is an amenable number.

550432415545 is a deficient number, since it is larger than the sum of its proper divisors (156150576983).

550432415545 is a wasteful number, since it uses less digits than its factorization.

550432415545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66759660.

The product of its (nonzero) digits is 1200000, while the sum is 43.

The spelling of 550432415545 in words is "five hundred fifty billion, four hundred thirty-two million, four hundred fifteen thousand, five hundred forty-five".