553143055 has 4 divisors (see below), whose sum is σ = 663771672. Its totient is φ = 442514440.

The previous prime is 553143043. The next prime is 553143061. The reversal of 553143055 is 550341355.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 553143055 - 2⁹ = 553142543 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55314301 + ... + 55314310.

It is an arithmetic number, because the mean of its divisors is an integer number (165942918).

Almost surely, 2^553143055 is an apocalyptic number.

553143055 is a deficient number, since it is larger than the sum of its proper divisors (110628617).

553143055 is a wasteful number, since it uses less digits than its factorization.

553143055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110628616.

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 553143055 is about 23518.9934946205. The cubic root of 553143055 is about 820.8790172266.

The spelling of 553143055 in words is "five hundred fifty-three million, one hundred forty-three thousand, fifty-five".