550673821476 has 81 divisors (see below), whose sum is σ = 1399938330609. Its totient is φ = 182514584448.

The previous prime is 550673821469. The next prime is 550673821559. The reversal of 550673821476 is 674128376055.

The square root of 550673821476 is 742074.

It is a perfect power (a square), and thus also a powerful number.

550673821476 is a `hidden beast` number, since 5 + 506 + 73 + 8 + 21 + 47 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 148494622500 + 402179198976 = 385350^2 + 634176^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1500473445 + ... + 1500473811.

Almost surely, 2^550673821476 is an apocalyptic number.

550673821476 is the 742074-th square number.

It is an amenable number.

550673821476 is an abundant number, since it is smaller than the sum of its proper divisors (849264509133).

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

550673821476 is an equidigital number, since it uses as much as digits as its factorization.

550673821476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 54.

The spelling of 550673821476 in words is "five hundred fifty billion, six hundred seventy-three million, eight hundred twenty-one thousand, four hundred seventy-six".