550446402 has 32 divisors (see below), whose sum is σ = 1230272064. Its totient is φ = 162732800.

The previous prime is 550446389. The next prime is 550446431. The reversal of 550446402 is 204644055.

It is a self number, because there is not a number n which added to its sum of digits gives 550446402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99003 + ... + 104414.

It is an arithmetic number, because the mean of its divisors is an integer number (38446002).

Almost surely, 2^550446402 is an apocalyptic number.

550446402 is an abundant number, since it is smaller than the sum of its proper divisors (679825662).

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

550446402 is a wasteful number, since it uses less digits than its factorization.

550446402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203474.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 550446402 is about 23461.5941913588. The cubic root of 550446402 is about 819.5428752957.

The spelling of 550446402 in words is "five hundred fifty million, four hundred forty-six thousand, four hundred two".