550355304434 has 16 divisors (see below), whose sum is σ = 890272010880. Its totient is φ = 253656849360.

The previous prime is 550355304383. The next prime is 550355304437. The reversal of 550355304434 is 434403553055.

It is a super-2 number, since 2×550355304434² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 550355304391 and 550355304400.

It is not an unprimeable number, because it can be changed into a prime (550355304437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14701412 + ... + 14738799.

It is an arithmetic number, because the mean of its divisors is an integer number (55642000680).

Almost surely, 2^550355304434 is an apocalyptic number.

550355304434 is a deficient number, since it is larger than the sum of its proper divisors (339916706446).

550355304434 is a wasteful number, since it uses less digits than its factorization.

550355304434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29440945.

The product of its (nonzero) digits is 1080000, while the sum is 41.

Adding to 550355304434 its reverse (434403553055), we get a palindrome (984758857489).

The spelling of 550355304434 in words is "five hundred fifty billion, three hundred fifty-five million, three hundred four thousand, four hundred thirty-four".