551254543 has 16 divisors (see below), whose sum is σ = 671166720. Its totient is φ = 442233216.

The previous prime is 551254531. The next prime is 551254559. The reversal of 551254543 is 345452155.

It is a cyclic number.

It is not a de Polignac number, because 551254543 - 2⁵ = 551254511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 551254499 and 551254508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551254343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13930 + ... + 36007.

It is an arithmetic number, because the mean of its divisors is an integer number (41947920).

Almost surely, 2^551254543 is an apocalyptic number.

551254543 is a deficient number, since it is larger than the sum of its proper divisors (119912177).

551254543 is a wasteful number, since it uses less digits than its factorization.

551254543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50046.

The product of its digits is 60000, while the sum is 34.

The square root of 551254543 is about 23478.8105107563. The cubic root of 551254543 is about 819.9437513469.

The spelling of 551254543 in words is "five hundred fifty-one million, two hundred fifty-four thousand, five hundred forty-three".