551384838 has 12 divisors (see below), whose sum is σ = 1194667188. Its totient is φ = 183794940.

The previous prime is 551384797. The next prime is 551384849. The reversal of 551384838 is 838483155.

551384838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 551384793 and 551384802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15316228 + ... + 15316263.

It is an arithmetic number, because the mean of its divisors is an integer number (99555599).

Almost surely, 2^551384838 is an apocalyptic number.

551384838 is an abundant number, since it is smaller than the sum of its proper divisors (643282350).

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

551384838 is a wasteful number, since it uses less digits than its factorization.

551384838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30632499 (or 30632496 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 551384838 is about 23481.5850827835. The cubic root of 551384838 is about 820.0083471290.

The spelling of 551384838 in words is "five hundred fifty-one million, three hundred eighty-four thousand, eight hundred thirty-eight".