553545143 has 4 divisors (see below), whose sum is σ = 586106640. Its totient is φ = 520983648.

The previous prime is 553545137. The next prime is 553545173. The reversal of 553545143 is 341545355.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341545355 = 5 ⋅68309071.

It is a cyclic number.

It is not a de Polignac number, because 553545143 - 2¹⁸ = 553282999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553545173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16280723 + ... + 16280756.

It is an arithmetic number, because the mean of its divisors is an integer number (146526660).

Almost surely, 2^553545143 is an apocalyptic number.

553545143 is a deficient number, since it is larger than the sum of its proper divisors (32561497).

553545143 is a wasteful number, since it uses less digits than its factorization.

553545143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32561496.

The product of its digits is 90000, while the sum is 35.

The square root of 553545143 is about 23527.5400966612. The cubic root of 553545143 is about 821.0778721491.

The spelling of 553545143 in words is "five hundred fifty-three million, five hundred forty-five thousand, one hundred forty-three".