551321034 has 32 divisors (see below), whose sum is σ = 1215297216. Its totient is φ = 165342720.

The previous prime is 551321027. The next prime is 551321077. The reversal of 551321034 is 430123155.

It is a junction number, because it is equal to n+sod(n) for n = 551320995 and 551321013.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36657 + ... + 49460.

It is an arithmetic number, because the mean of its divisors is an integer number (37978038).

Almost surely, 2^551321034 is an apocalyptic number.

551321034 is an abundant number, since it is smaller than the sum of its proper divisors (663976182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551321034 is a wasteful number, since it uses less digits than its factorization.

551321034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86230.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 551321034 is about 23480.2264469489. The cubic root of 551321034 is about 819.9767165707.

Adding to 551321034 its reverse (430123155), we get a palindrome (981444189).

The spelling of 551321034 in words is "five hundred fifty-one million, three hundred twenty-one thousand, thirty-four".