551050146 has 24 divisors (see below), whose sum is σ = 1245853440. Its totient is φ = 175697016.

The previous prime is 551050051. The next prime is 551050151. The reversal of 551050146 is 641050155.

It is a happy number.

551050146 is a `hidden beast` number, since 5 + 510 + 5 + 0 + 146 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 665106 + ... + 665933.

It is an arithmetic number, because the mean of its divisors is an integer number (51910560).

Almost surely, 2^551050146 is an apocalyptic number.

551050146 is an abundant number, since it is smaller than the sum of its proper divisors (694803294).

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

551050146 is a wasteful number, since it uses less digits than its factorization.

551050146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331070 (or 1331067 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 551050146 is about 23474.4573100210. The cubic root of 551050146 is about 819.8423978293.

Subtracting 551050146 from its reverse (641050155), we obtain a palindrome (90000009).

The spelling of 551050146 in words is "five hundred fifty-one million, fifty thousand, one hundred forty-six".