550758481 has 12 divisors (see below), whose sum is σ = 689961972. Its totient is φ = 435764448.

The previous prime is 550758427. The next prime is 550758499. The reversal of 550758481 is 184857055.

It can be written as a sum of positive squares in 2 ways, for example, as 21344400 + 529414081 = 4620^2 + 23009^2 .

It is not a de Polignac number, because 550758481 - 2⁹ = 550757969 is a prime.

It is a super-2 number, since 2×550758481² = 606669808786854722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (550758181) 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 11 ways as a sum of consecutive naturals, for example, 431670 + ... + 432943.

It is an arithmetic number, because the mean of its divisors is an integer number (57496831).

Almost surely, 2^550758481 is an apocalyptic number.

It is an amenable number.

550758481 is a deficient number, since it is larger than the sum of its proper divisors (139203491).

550758481 is a wasteful number, since it uses less digits than its factorization.

550758481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864640 (or 864633 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 43.

The square root of 550758481 is about 23468.2440970772. The cubic root of 550758481 is about 819.6977276725.

The spelling of 550758481 in words is "five hundred fifty million, seven hundred fifty-eight thousand, four hundred eighty-one".