551115304344 has 48 divisors (see below), whose sum is σ = 1628295219720. Its totient is φ = 167004637440.

The previous prime is 551115304301. The next prime is 551115304361. The reversal of 551115304344 is 443403511155.

551115304344 is a `hidden beast` number, since 5 + 5 + 1 + 1 + 1 + 5 + 304 + 344 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 551115304299 and 551115304308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 347925537 + ... + 347927120.

Almost surely, 2^551115304344 is an apocalyptic number.

It is an amenable number.

551115304344 is an abundant number, since it is smaller than the sum of its proper divisors (1077179915376).

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

551115304344 is a wasteful number, since it uses less digits than its factorization.

551115304344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695852680 (or 695852673 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 551115304344 its reverse (443403511155), we get a palindrome (994518815499).

The spelling of 551115304344 in words is "five hundred fifty-one billion, one hundred fifteen million, three hundred four thousand, three hundred forty-four".