550565130 has 32 divisors (see below), whose sum is σ = 1341082944. Its totient is φ = 144625536.

The previous prime is 550565123. The next prime is 550565131. The reversal of 550565130 is 31565055.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (550565131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134947 + ... + 138966.

It is an arithmetic number, because the mean of its divisors is an integer number (41908842).

Almost surely, 2^550565130 is an apocalyptic number.

550565130 is an abundant number, since it is smaller than the sum of its proper divisors (790517814).

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

550565130 is a wasteful number, since it uses less digits than its factorization.

550565130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273990.

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 550565130 is about 23464.1243177750. The cubic root of 550565130 is about 819.6017945602.

The spelling of 550565130 in words is "five hundred fifty million, five hundred sixty-five thousand, one hundred thirty".