550688697 has 36 divisors (see below), whose sum is σ = 872426880. Its totient is φ = 334522656.

The previous prime is 550688693. The next prime is 550688711. The reversal of 550688697 is 796886055.

550688697 is a `hidden beast` number, since 550 + 6 + 8 + 86 + 9 + 7 = 666.

It is not a de Polignac number, because 550688697 - 2² = 550688693 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550688693) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 117868 + ... + 122450.

It is an arithmetic number, because the mean of its divisors is an integer number (24234080).

Almost surely, 2^550688697 is an apocalyptic number.

It is an amenable number.

550688697 is a deficient number, since it is larger than the sum of its proper divisors (321738183).

550688697 is a wasteful number, since it uses less digits than its factorization.

550688697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4694 (or 4678 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 54.

The square root of 550688697 is about 23466.7572749198. The cubic root of 550688697 is about 819.6631062039.

The spelling of 550688697 in words is "five hundred fifty million, six hundred eighty-eight thousand, six hundred ninety-seven".