550655697 has 16 divisors (see below), whose sum is σ = 758564352. Its totient is φ = 354946560.

The previous prime is 550655689. The next prime is 550655747. The reversal of 550655697 is 796556055.

It is a happy number.

It is not a de Polignac number, because 550655697 - 2³ = 550655689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550615697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150433 + ... + 154049.

It is an arithmetic number, because the mean of its divisors is an integer number (47410272).

Almost surely, 2^550655697 is an apocalyptic number.

It is an amenable number.

550655697 is a deficient number, since it is larger than the sum of its proper divisors (207908655).

550655697 is a wasteful number, since it uses less digits than its factorization.

550655697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5288.

The product of its (nonzero) digits is 1417500, while the sum is 48.

The square root of 550655697 is about 23466.0541421007. The cubic root of 550655697 is about 819.6467331163.

The spelling of 550655697 in words is "five hundred fifty million, six hundred fifty-five thousand, six hundred ninety-seven".