551461845834 has 24 divisors (see below), whose sum is σ = 1194854396580. Its totient is φ = 183817477248.

The previous prime is 551461845833. The next prime is 551461845877. The reversal of 551461845834 is 438548164155.

551461845834 is a `hidden beast` number, since 5 + 5 + 1 + 46 + 18 + 4 + 583 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 423156755025 + 128305090809 = 650505^2 + 358197^2 .

It is a super-2 number, since 2×551461845834² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (551461845833) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 982012 + ... + 1437800.

Almost surely, 2^551461845834 is an apocalyptic number.

551461845834 is an abundant number, since it is smaller than the sum of its proper divisors (643392550746).

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

551461845834 is a wasteful number, since it uses less digits than its factorization.

551461845834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523014 (or 523011 counting only the distinct ones).

The product of its digits is 9216000, while the sum is 54.

The spelling of 551461845834 in words is "five hundred fifty-one billion, four hundred sixty-one million, eight hundred forty-five thousand, eight hundred thirty-four".