550550143 has 16 divisors (see below), whose sum is σ = 648480672. Its totient is φ = 460800000.

The previous prime is 550550129. The next prime is 550550153. The reversal of 550550143 is 341055055.

It is a cyclic number.

It is not a de Polignac number, because 550550143 - 2⁹ = 550549631 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 (550550153) 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, 52543 + ... + 62143.

It is an arithmetic number, because the mean of its divisors is an integer number (40530042).

Almost surely, 2^550550143 is an apocalyptic number.

550550143 is a deficient number, since it is larger than the sum of its proper divisors (97930529).

550550143 is a wasteful number, since it uses less digits than its factorization.

550550143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10026.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 550550143 is about 23463.8049557185. The cubic root of 550550143 is about 819.5943576662.

The spelling of 550550143 in words is "five hundred fifty million, five hundred fifty thousand, one hundred forty-three".