550544664 has 32 divisors (see below), whose sum is σ = 1376965440. Its totient is φ = 183434400.

The previous prime is 550544663. The next prime is 550544669. The reversal of 550544664 is 466445055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550544663) 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, 80499 + ... + 87069.

It is an arithmetic number, because the mean of its divisors is an integer number (43030170).

Almost surely, 2^550544664 is an apocalyptic number.

It is an amenable number.

550544664 is an abundant number, since it is smaller than the sum of its proper divisors (826420776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550544664 is a wasteful number, since it uses less digits than its factorization.

550544664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10071 (or 10067 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

The square root of 550544664 is about 23463.6882011333. The cubic root of 550544664 is about 819.5916388268.

The spelling of 550544664 in words is "five hundred fifty million, five hundred forty-four thousand, six hundred sixty-four".