549655090 has 16 divisors (see below), whose sum is σ = 989648280. Its totient is φ = 219802240.

The previous prime is 549655087. The next prime is 549655153. The reversal of 549655090 is 90556945.

It can be written as a sum of positive squares in 4 ways, for example, as 469892329 + 79762761 = 21677^2 + 8931^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60996 + ... + 69424.

Almost surely, 2^549655090 is an apocalyptic number.

549655090 is a deficient number, since it is larger than the sum of its proper divisors (439993190).

549655090 is a wasteful number, since it uses less digits than its factorization.

549655090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14957.

The product of its (nonzero) digits is 243000, while the sum is 43.

The square root of 549655090 is about 23444.7241399851. The cubic root of 549655090 is about 819.1499668479.

The spelling of 549655090 in words is "five hundred forty-nine million, six hundred fifty-five thousand, ninety".