550297493 has 4 divisors (see below), whose sum is σ = 550650240. Its totient is φ = 549944748.

The previous prime is 550297487. The next prime is 550297511. The reversal of 550297493 is 394792055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550297493 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 (550297453) 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, 174023 + ... + 177156.

It is an arithmetic number, because the mean of its divisors is an integer number (137662560).

Almost surely, 2^550297493 is an apocalyptic number.

It is an amenable number.

550297493 is a deficient number, since it is larger than the sum of its proper divisors (352747).

550297493 is a wasteful number, since it uses less digits than its factorization.

550297493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352746.

The product of its (nonzero) digits is 340200, while the sum is 44.

The square root of 550297493 is about 23458.4205137516. The cubic root of 550297493 is about 819.4689666064.

The spelling of 550297493 in words is "five hundred fifty million, two hundred ninety-seven thousand, four hundred ninety-three".