550323545045 has 4 divisors (see below), whose sum is σ = 660388254060. Its totient is φ = 440258836032.

The previous prime is 550323545041. The next prime is 550323545053. The reversal of 550323545045 is 540545323055.

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 191425500484 + 358898044561 = 437522^2 + 599081^2 .

It is a cyclic number.

It is not a de Polignac number, because 550323545045 - 2² = 550323545041 is a prime.

It is a super-2 number, since 2×550323545045² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 550323544993 and 550323545011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550323545041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55032354500 + ... + 55032354509.

It is an arithmetic number, because the mean of its divisors is an integer number (165097063515).

Almost surely, 2^550323545045 is an apocalyptic number.

It is an amenable number.

550323545045 is a deficient number, since it is larger than the sum of its proper divisors (110064709015).

550323545045 is a wasteful number, since it uses less digits than its factorization.

550323545045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110064709014.

The product of its (nonzero) digits is 900000, while the sum is 41.

The spelling of 550323545045 in words is "five hundred fifty billion, three hundred twenty-three million, five hundred forty-five thousand, forty-five".