551242544351 has 4 divisors (see below), whose sum is σ = 551283099432. Its totient is φ = 551201989272.

The previous prime is 551242544299. The next prime is 551242544401. The reversal of 551242544351 is 153445242155.

It is a happy number.

551242544351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 551242544351 - 2¹⁸ = 551242282207 is a prime.

It is a super-2 number, since 2×551242544351² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 551242544299 and 551242544308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551242534351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20257145 + ... + 20284338.

It is an arithmetic number, because the mean of its divisors is an integer number (137820774858).

Almost surely, 2^551242544351 is an apocalyptic number.

551242544351 is a deficient number, since it is larger than the sum of its proper divisors (40555081).

551242544351 is a wasteful number, since it uses less digits than its factorization.

551242544351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40555080.

The product of its digits is 480000, while the sum is 41.

The spelling of 551242544351 in words is "five hundred fifty-one billion, two hundred forty-two million, five hundred forty-four thousand, three hundred fifty-one".