551205310030 has 16 divisors (see below), whose sum is σ = 992294298864. Its totient is φ = 220454403840.

The previous prime is 551205310013. The next prime is 551205310031. The reversal of 551205310030 is 30013502155.

It is a junction number, because it is equal to n+sod(n) for n = 551205309977 and 551205310004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551205310031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3381411 + ... + 3540670.

It is an arithmetic number, because the mean of its divisors is an integer number (62018393679).

Almost surely, 2^551205310030 is an apocalyptic number.

551205310030 is a deficient number, since it is larger than the sum of its proper divisors (441088988834).

551205310030 is a wasteful number, since it uses less digits than its factorization.

551205310030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6930051.

The product of its (nonzero) digits is 2250, while the sum is 25.

Adding to 551205310030 its reverse (30013502155), we get a palindrome (581218812185).

The spelling of 551205310030 in words is "five hundred fifty-one billion, two hundred five million, three hundred ten thousand, thirty".