550049490 has 24 divisors (see below), whose sum is σ = 1430128908. Its totient is φ = 146679840.

The previous prime is 550049471. The next prime is 550049491. The reversal of 550049490 is 94940055.

It can be written as a sum of positive squares in 2 ways, for example, as 542936601 + 7112889 = 23301^2 + 2667^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (550049491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3055741 + ... + 3055920.

Almost surely, 2^550049490 is an apocalyptic number.

550049490 is an abundant number, since it is smaller than the sum of its proper divisors (880079418).

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

550049490 is a wasteful number, since it uses less digits than its factorization.

550049490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6111674 (or 6111671 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 550049490 is about 23453.1339057278. The cubic root of 550049490 is about 819.3458445361.

The spelling of 550049490 in words is "five hundred fifty million, forty-nine thousand, four hundred ninety".