553251143 has 2 divisors, whose sum is σ = 553251144. Its totient is φ = 553251142.

The previous prime is 553251137. The next prime is 553251157. The reversal of 553251143 is 341152355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 553251143 - 2¹² = 553247047 is a prime.

It is equal to p_29007254 and since 553251143 and 29007254 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553251103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276625571 + 276625572.

It is an arithmetic number, because the mean of its divisors is an integer number (276625572).

Almost surely, 2^553251143 is an apocalyptic number.

553251143 is a deficient number, since it is larger than the sum of its proper divisors (1).

553251143 is an equidigital number, since it uses as much as digits as its factorization.

553251143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9000, while the sum is 29.

The square root of 553251143 is about 23521.2912698262. The cubic root of 553251143 is about 820.9324822339.

The spelling of 553251143 in words is "five hundred fifty-three million, two hundred fifty-one thousand, one hundred forty-three".