551742334 has 48 divisors (see below), whose sum is σ = 991939536. Its totient is φ = 228602880.

The previous prime is 551742329. The next prime is 551742337. The reversal of 551742334 is 433247155.

It is a self number, because there is not a number n which added to its sum of digits gives 551742334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551742337) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 260062 + ... + 262174.

It is an arithmetic number, because the mean of its divisors is an integer number (20665407).

Almost surely, 2^551742334 is an apocalyptic number.

551742334 is a deficient number, since it is larger than the sum of its proper divisors (440197202).

551742334 is a wasteful number, since it uses less digits than its factorization.

551742334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233 (or 2222 counting only the distinct ones).

The product of its digits is 50400, while the sum is 34.

The square root of 551742334 is about 23489.1961122555. The cubic root of 551742334 is about 820.1855291086.

Adding to 551742334 its reverse (433247155), we get a palindrome (984989489).

The spelling of 551742334 in words is "five hundred fifty-one million, seven hundred forty-two thousand, three hundred thirty-four".