550660551 has 16 divisors (see below), whose sum is σ = 842075904. Its totient is φ = 313547904.

The previous prime is 550660547. The next prime is 550660553. The reversal of 550660551 is 155066055.

It is not a de Polignac number, because 550660551 - 2² = 550660547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550660553) 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, 40386 + ... + 52271.

It is an arithmetic number, because the mean of its divisors is an integer number (52629744).

Almost surely, 2^550660551 is an apocalyptic number.

550660551 is a deficient number, since it is larger than the sum of its proper divisors (291415353).

550660551 is a wasteful number, since it uses less digits than its factorization.

550660551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92950.

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 550660551 is about 23466.1575678678. The cubic root of 550660551 is about 819.6491414897.

The spelling of 550660551 in words is "five hundred fifty million, six hundred sixty thousand, five hundred fifty-one".