550355304432 has 80 divisors (see below), whose sum is σ = 1424203086240. Its totient is φ = 183135707136.

The previous prime is 550355304383. The next prime is 550355304437. The reversal of 550355304432 is 234403553055.

It is a super-2 number, since 2×550355304432² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 76509028 + ... + 76516220.

It is an arithmetic number, because the mean of its divisors is an integer number (17802538578).

Almost surely, 2^550355304432 is an apocalyptic number.

It is an amenable number.

550355304432 is an abundant number, since it is smaller than the sum of its proper divisors (873847781808).

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

550355304432 is a wasteful number, since it uses less digits than its factorization.

550355304432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9730 (or 9724 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 39.

Adding to 550355304432 its reverse (234403553055), we get a palindrome (784758857487).

The spelling of 550355304432 in words is "five hundred fifty billion, three hundred fifty-five million, three hundred four thousand, four hundred thirty-two".