551311342 has 16 divisors (see below), whose sum is σ = 846945792. Its totient is φ = 269007480.

The previous prime is 551311333. The next prime is 551311361. The reversal of 551311342 is 243113155.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 132717 + ... + 136807.

It is an arithmetic number, because the mean of its divisors is an integer number (52934112).

Almost surely, 2^551311342 is an apocalyptic number.

551311342 is a deficient number, since it is larger than the sum of its proper divisors (295634450).

551311342 is a wasteful number, since it uses less digits than its factorization.

551311342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5703.

The product of its digits is 1800, while the sum is 25.

The square root of 551311342 is about 23480.0200596166. The cubic root of 551311342 is about 819.9719115899.

Adding to 551311342 its reverse (243113155), we get a palindrome (794424497).

It can be divided in two parts, 5513113 and 42, that added together give a palindrome (5513155).

The spelling of 551311342 in words is "five hundred fifty-one million, three hundred eleven thousand, three hundred forty-two".