551423434 has 8 divisors (see below), whose sum is σ = 870668640. Its totient is φ = 261200556.

The previous prime is 551423423. The next prime is 551423471. The reversal of 551423434 is 434324155.

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

It is a junction number, because it is equal to n+sod(n) for n = 551423396 and 551423405.

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, 7255534 + ... + 7255609.

It is an arithmetic number, because the mean of its divisors is an integer number (108833580).

Almost surely, 2^551423434 is an apocalyptic number.

551423434 is a deficient number, since it is larger than the sum of its proper divisors (319245206).

551423434 is a wasteful number, since it uses less digits than its factorization.

551423434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14511164.

The product of its digits is 28800, while the sum is 31.

The square root of 551423434 is about 23482.4069038930. The cubic root of 551423434 is about 820.0274797454.

Adding to 551423434 its reverse (434324155), we get a palindrome (985747589).

The spelling of 551423434 in words is "five hundred fifty-one million, four hundred twenty-three thousand, four hundred thirty-four".