550551402 has 12 divisors (see below), whose sum is σ = 1192861410. Its totient is φ = 183517128.

The previous prime is 550551401. The next prime is 550551427. The reversal of 550551402 is 204155055.

550551402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 542377521 + 8173881 = 23289^2 + 2859^2 .

It is not an unprimeable number, because it can be changed into a prime (550551401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15293077 + ... + 15293112.

Almost surely, 2^550551402 is an apocalyptic number.

550551402 is an abundant number, since it is smaller than the sum of its proper divisors (642310008).

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

550551402 is a wasteful number, since it uses less digits than its factorization.

550551402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30586197 (or 30586194 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 550551402 is about 23463.8317842589. The cubic root of 550551402 is about 819.5949824162.

The spelling of 550551402 in words is "five hundred fifty million, five hundred fifty-one thousand, four hundred two".