550563615297 has 8 divisors (see below), whose sum is σ = 815649800480. Its totient is φ = 367042410180.

The previous prime is 550563615281. The next prime is 550563615299. The reversal of 550563615297 is 792516365055.

550563615297 is a `hidden beast` number, since 5 + 5 + 0 + 56 + 3 + 61 + 529 + 7 = 666.

It is not a de Polignac number, because 550563615297 - 2⁴ = 550563615281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550563615299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10195622479 + ... + 10195622532.

It is an arithmetic number, because the mean of its divisors is an integer number (101956225060).

Almost surely, 2^550563615297 is an apocalyptic number.

It is an amenable number.

550563615297 is a deficient number, since it is larger than the sum of its proper divisors (265086185183).

550563615297 is a wasteful number, since it uses less digits than its factorization.

550563615297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20391245020 (or 20391245014 counting only the distinct ones).

The product of its (nonzero) digits is 8505000, while the sum is 54.

The spelling of 550563615297 in words is "five hundred fifty billion, five hundred sixty-three million, six hundred fifteen thousand, two hundred ninety-seven".