551554243532 has 24 divisors (see below), whose sum is σ = 1039675886592. Its totient is φ = 255277558800.

The previous prime is 551554243451. The next prime is 551554243543. The reversal of 551554243532 is 235342455155.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96693194 + ... + 96698897.

It is an arithmetic number, because the mean of its divisors is an integer number (43319828608).

Almost surely, 2^551554243532 is an apocalyptic number.

It is an amenable number.

551554243532 is a deficient number, since it is larger than the sum of its proper divisors (488121643060).

551554243532 is a wasteful number, since it uses less digits than its factorization.

551554243532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193392149 (or 193392147 counting only the distinct ones).

The product of its digits is 1800000, while the sum is 44.

Adding to 551554243532 its reverse (235342455155), we get a palindrome (786896698687).

The spelling of 551554243532 in words is "five hundred fifty-one billion, five hundred fifty-four million, two hundred forty-three thousand, five hundred thirty-two".