550205402 has 32 divisors (see below), whose sum is σ = 884846592. Its totient is φ = 255999744.

The previous prime is 550205353. The next prime is 550205413. The reversal of 550205402 is 204502055.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308738 + ... + 310514.

It is an arithmetic number, because the mean of its divisors is an integer number (27651456).

Almost surely, 2^550205402 is an apocalyptic number.

550205402 is a deficient number, since it is larger than the sum of its proper divisors (334641190).

550205402 is a wasteful number, since it uses less digits than its factorization.

550205402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 550205402 is about 23456.4575756869. The cubic root of 550205402 is about 819.4232519838.

Adding to 550205402 its reverse (204502055), we get a palindrome (754707457).

The spelling of 550205402 in words is "five hundred fifty million, two hundred five thousand, four hundred two".