550315145 has 8 divisors (see below), whose sum is σ = 695135040. Its totient is φ = 417080880.

The previous prime is 550315123. The next prime is 550315147. The reversal of 550315145 is 541513055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 550315145 - 2⁶ = 550315081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550315147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2896301 + ... + 2896490.

It is an arithmetic number, because the mean of its divisors is an integer number (86891880).

Almost surely, 2^550315145 is an apocalyptic number.

It is an amenable number.

550315145 is a deficient number, since it is larger than the sum of its proper divisors (144819895).

550315145 is a wasteful number, since it uses less digits than its factorization.

550315145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5792815.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 550315145 is about 23458.7967508992. The cubic root of 550315145 is about 819.4777286013.

The spelling of 550315145 in words is "five hundred fifty million, three hundred fifteen thousand, one hundred forty-five".