551235434 has 8 divisors (see below), whose sum is σ = 862803360. Its totient is φ = 263634316.

The previous prime is 551235427. The next prime is 551235463. The reversal of 551235434 is 434532155.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 551235434.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5991644 + ... + 5991735.

It is an arithmetic number, because the mean of its divisors is an integer number (107850420).

Almost surely, 2^551235434 is an apocalyptic number.

551235434 is a deficient number, since it is larger than the sum of its proper divisors (311567926).

551235434 is a wasteful number, since it uses less digits than its factorization.

551235434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11983404.

The product of its digits is 36000, while the sum is 32.

The square root of 551235434 is about 23478.4035658305. The cubic root of 551235434 is about 819.9342769057.

Adding to 551235434 its reverse (434532155), we get a palindrome (985767589).

The spelling of 551235434 in words is "five hundred fifty-one million, two hundred thirty-five thousand, four hundred thirty-four".