550561264 has 40 divisors (see below), whose sum is σ = 1180103040. Its totient is φ = 246724800.

The previous prime is 550561261. The next prime is 550561279. The reversal of 550561264 is 462165055.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550561261) 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 7 ways as a sum of consecutive naturals, for example, 9534 + ... + 34525.

It is an arithmetic number, because the mean of its divisors is an integer number (29502576).

Almost surely, 2^550561264 is an apocalyptic number.

It is an amenable number.

550561264 is an abundant number, since it is smaller than the sum of its proper divisors (629541776).

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

550561264 is a wasteful number, since it uses less digits than its factorization.

550561264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44149 (or 44143 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 550561264 is about 23464.0419365462. The cubic root of 550561264 is about 819.5998761751.

The spelling of 550561264 in words is "five hundred fifty million, five hundred sixty-one thousand, two hundred sixty-four".