551233442 has 8 divisors (see below), whose sum is σ = 827000832. Its totient is φ = 275566500.

The previous prime is 551233427. The next prime is 551233451. The reversal of 551233442 is 244332155.

It is a happy number.

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

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, 9434 + ... + 34517.

It is an arithmetic number, because the mean of its divisors is an integer number (103375104).

Almost surely, 2^551233442 is an apocalyptic number.

551233442 is a deficient number, since it is larger than the sum of its proper divisors (275767390).

551233442 is a wasteful number, since it uses less digits than its factorization.

551233442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50224.

The product of its digits is 14400, while the sum is 29.

The square root of 551233442 is about 23478.3611438277. The cubic root of 551233442 is about 819.9332892388.

Adding to 551233442 its reverse (244332155), we get a palindrome (795565597).

The spelling of 551233442 in words is "five hundred fifty-one million, two hundred thirty-three thousand, four hundred forty-two".