550745588 has 6 divisors (see below), whose sum is σ = 963804786. Its totient is φ = 275372792.

The previous prime is 550745581. The next prime is 550745599. The reversal of 550745588 is 885547055.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 499880164 + 50865424 = 22358^2 + 7132^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550745581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68843195 + ... + 68843202.

It is an arithmetic number, because the mean of its divisors is an integer number (160634131).

Almost surely, 2^550745588 is an apocalyptic number.

It is an amenable number.

550745588 is a deficient number, since it is larger than the sum of its proper divisors (413059198).

550745588 is a wasteful number, since it uses less digits than its factorization.

550745588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137686401 (or 137686399 counting only the distinct ones).

The product of its (nonzero) digits is 1120000, while the sum is 47.

The square root of 550745588 is about 23467.9694051275. The cubic root of 550745588 is about 819.6913313750.

The spelling of 550745588 in words is "five hundred fifty million, seven hundred forty-five thousand, five hundred eighty-eight".