551154143 has 2 divisors, whose sum is σ = 551154144. Its totient is φ = 551154142.

The previous prime is 551154137. The next prime is 551154167. The reversal of 551154143 is 341451155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 551154143 - 2²² = 546959839 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551154343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275577071 + 275577072.

It is an arithmetic number, because the mean of its divisors is an integer number (275577072).

Almost surely, 2^551154143 is an apocalyptic number.

551154143 is a deficient number, since it is larger than the sum of its proper divisors (1).

551154143 is an equidigital number, since it uses as much as digits as its factorization.

551154143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6000, while the sum is 29.

The square root of 551154143 is about 23476.6723153006. The cubic root of 551154143 is about 819.8939695344.

The spelling of 551154143 in words is "five hundred fifty-one million, one hundred fifty-four thousand, one hundred forty-three".