550255433634 has 12 divisors (see below), whose sum is σ = 1192220106246. Its totient is φ = 183418477872.

The previous prime is 550255433633. The next prime is 550255433653. The reversal of 550255433634 is 436334552055.

550255433634 is a `hidden beast` number, since 5 + 5 + 0 + 2 + 5 + 5 + 4 + 3 + 3 + 634 = 666.

It can be written as a sum of positive squares in only one way, i.e., 316389375225 + 233866058409 = 562485^2 + 483597^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 550255433634.

It is not an unprimeable number, because it can be changed into a prime (550255433633) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15284873139 + ... + 15284873174.

Almost surely, 2^550255433634 is an apocalyptic number.

550255433634 is an abundant number, since it is smaller than the sum of its proper divisors (641964672612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550255433634 is a wasteful number, since it uses less digits than its factorization.

550255433634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30569746321 (or 30569746318 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 45.

Adding to 550255433634 its reverse (436334552055), we get a palindrome (986589985689).

The spelling of 550255433634 in words is "five hundred fifty billion, two hundred fifty-five million, four hundred thirty-three thousand, six hundred thirty-four".