550401215 has 32 divisors (see below), whose sum is σ = 855697920. Its totient is φ = 330044544.

The previous prime is 550401149. The next prime is 550401227. The reversal of 550401215 is 512104055.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 550401215 - 2¹⁴ = 550384831 is a prime.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 23189 + ... + 40478.

It is an arithmetic number, because the mean of its divisors is an integer number (26740560).

Almost surely, 2^550401215 is an apocalyptic number.

550401215 is a deficient number, since it is larger than the sum of its proper divisors (305296705).

550401215 is a wasteful number, since it uses less digits than its factorization.

550401215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63711.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 550401215 is about 23460.6311722426. The cubic root of 550401215 is about 819.5204488329.

The spelling of 550401215 in words is "five hundred fifty million, four hundred one thousand, two hundred fifteen".