550433554453 has 4 divisors (see below), whose sum is σ = 550604659180. Its totient is φ = 550262449728.

The previous prime is 550433554331. The next prime is 550433554457. The reversal of 550433554453 is 354455334055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 196162181604 + 354271372849 = 442902^2 + 595207^2 .

It is a cyclic number.

It is not a de Polignac number, because 550433554453 - 2³⁷ = 412994600981 is a prime.

It is a super-2 number, since 2×550433554453² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550433554457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85547538 + ... + 85553971.

It is an arithmetic number, because the mean of its divisors is an integer number (137651164795).

Almost surely, 2^550433554453 is an apocalyptic number.

It is an amenable number.

550433554453 is a deficient number, since it is larger than the sum of its proper divisors (171104727).

550433554453 is a wasteful number, since it uses less digits than its factorization.

550433554453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171104726.

The product of its (nonzero) digits is 5400000, while the sum is 46.

The spelling of 550433554453 in words is "five hundred fifty billion, four hundred thirty-three million, five hundred fifty-four thousand, four hundred fifty-three".