551324402 has 8 divisors (see below), whose sum is σ = 827157936. Its totient is φ = 275605092.

The previous prime is 551324393. The next prime is 551324407. The reversal of 551324402 is 204423155.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (551324407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15248 + ... + 36539.

It is an arithmetic number, because the mean of its divisors is an integer number (103394742).

Almost surely, 2^551324402 is an apocalyptic number.

551324402 is a deficient number, since it is larger than the sum of its proper divisors (275833534).

551324402 is a wasteful number, since it uses less digits than its factorization.

551324402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57112.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 551324402 is about 23480.2981667610. The cubic root of 551324402 is about 819.9783863032.

Adding to 551324402 its reverse (204423155), we get a palindrome (755747557).

The spelling of 551324402 in words is "five hundred fifty-one million, three hundred twenty-four thousand, four hundred two".