550344310545 has 16 divisors (see below), whose sum is σ = 881583216192. Its totient is φ = 293172859200.

The previous prime is 550344310499. The next prime is 550344310547. The reversal of 550344310545 is 545013443055.

It is a happy number.

It is not a de Polignac number, because 550344310545 - 2⁸ = 550344310289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550344310547) 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, 21493431 + ... + 21519020.

It is an arithmetic number, because the mean of its divisors is an integer number (55098951012).

Almost surely, 2^550344310545 is an apocalyptic number.

It is an amenable number.

550344310545 is a deficient number, since it is larger than the sum of its proper divisors (331238905647).

550344310545 is a wasteful number, since it uses less digits than its factorization.

550344310545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43013312.

The product of its (nonzero) digits is 360000, while the sum is 39.

The spelling of 550344310545 in words is "five hundred fifty billion, three hundred forty-four million, three hundred ten thousand, five hundred forty-five".