551230332604 has 24 divisors (see below), whose sum is σ = 1109761737728. Its totient is φ = 234677055600.

The previous prime is 551230332563. The next prime is 551230332607. The reversal of 551230332604 is 406233032155.

It is a self number, because there is not a number n which added to its sum of digits gives 551230332604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551230332607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65183844 + ... + 65192299.

Almost surely, 2^551230332604 is an apocalyptic number.

It is an amenable number.

551230332604 is an abundant number, since it is smaller than the sum of its proper divisors (558531405124).

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

551230332604 is a wasteful number, since it uses less digits than its factorization.

551230332604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130376305 (or 130376303 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 551230332604 its reverse (406233032155), we get a palindrome (957463364759).

The spelling of 551230332604 in words is "five hundred fifty-one billion, two hundred thirty million, three hundred thirty-two thousand, six hundred four".