550552234403 has 16 divisors (see below), whose sum is σ = 585001971360. Its totient is φ = 517137062400.

The previous prime is 550552234399. The next prime is 550552234481. The reversal of 550552234403 is 304432255055.

It is a cyclic number.

It is not a de Polignac number, because 550552234403 - 2² = 550552234399 is a prime.

It is a super-2 number, since 2×550552234403² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550552234493) 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, 10189088 + ... + 10242978.

It is an arithmetic number, because the mean of its divisors is an integer number (36562623210).

Almost surely, 2^550552234403 is an apocalyptic number.

550552234403 is a deficient number, since it is larger than the sum of its proper divisors (34449736957).

550552234403 is a wasteful number, since it uses less digits than its factorization.

550552234403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63478.

The product of its (nonzero) digits is 360000, while the sum is 38.

Adding to 550552234403 its reverse (304432255055), we get a palindrome (854984489458).

The spelling of 550552234403 in words is "five hundred fifty billion, five hundred fifty-two million, two hundred thirty-four thousand, four hundred three".