555342973 has 4 divisors (see below), whose sum is σ = 555390108. Its totient is φ = 555295840.

The previous prime is 555342971. The next prime is 555342989. The reversal of 555342973 is 379243555.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 379243555 = 5 ⋅75848711.

It can be written as a sum of positive squares in 2 ways, for example, as 271656324 + 283686649 = 16482^2 + 16843^2 .

It is a cyclic number.

It is not a de Polignac number, because 555342973 - 2¹ = 555342971 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 (555342971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11415 + ... + 35227.

It is an arithmetic number, because the mean of its divisors is an integer number (138847527).

Almost surely, 2^555342973 is an apocalyptic number.

It is an amenable number.

555342973 is a deficient number, since it is larger than the sum of its proper divisors (47135).

555342973 is a wasteful number, since it uses less digits than its factorization.

555342973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47134.

The product of its digits is 567000, while the sum is 43.

The square root of 555342973 is about 23565.7160510773. The cubic root of 555342973 is about 821.9658233334.

The spelling of 555342973 in words is "five hundred fifty-five million, three hundred forty-two thousand, nine hundred seventy-three".