551254344445023 has 8 divisors (see below), whose sum is σ = 738489232369536. Its totient is φ = 365761176408600.

The previous prime is 551254344445019. The next prime is 551254344445111. The reversal of 551254344445023 is 320544443452155.

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

It is not a de Polignac number, because 551254344445023 - 2² = 551254344445019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551254344441023) 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, 435429971283 + ... + 435429972548.

It is an arithmetic number, because the mean of its divisors is an integer number (92311154046192).

Almost surely, 2^{551254344445023} is an apocalyptic number.

551254344445023 is a deficient number, since it is larger than the sum of its proper divisors (187234887924513).

551254344445023 is a wasteful number, since it uses less digits than its factorization.

551254344445023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870859944045.

The product of its (nonzero) digits is 23040000, while the sum is 51.

Adding to 551254344445023 its reverse (320544443452155), we get a palindrome (871798787897178).

The spelling of 551254344445023 in words is "five hundred fifty-one trillion, two hundred fifty-four billion, three hundred forty-four million, four hundred forty-five thousand, twenty-three".