551332554431 has 8 divisors (see below), whose sum is σ = 561748655520. Its totient is φ = 540916957152.

The previous prime is 551332554403. The next prime is 551332554439. The reversal of 551332554431 is 134455233155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 551332554431 - 2³⁸ = 276454647487 is a prime.

It is a super-2 number, since 2×551332554431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551332554439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2659766 + ... + 2859548.

It is an arithmetic number, because the mean of its divisors is an integer number (70218581940).

Almost surely, 2^551332554431 is an apocalyptic number.

551332554431 is a deficient number, since it is larger than the sum of its proper divisors (10416101089).

551332554431 is a wasteful number, since it uses less digits than its factorization.

551332554431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251905.

The product of its digits is 540000, while the sum is 41.

Adding to 551332554431 its reverse (134455233155), we get a palindrome (685787787586).

The spelling of 551332554431 in words is "five hundred fifty-one billion, three hundred thirty-two million, five hundred fifty-four thousand, four hundred thirty-one".