549767923 has 2 divisors, whose sum is σ = 549767924. Its totient is φ = 549767922.

The previous prime is 549767917. The next prime is 549767951. The reversal of 549767923 is 329767945.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 549767923 - 2⁹ = 549767411 is a prime.

It is not a weakly prime, because it can be changed into another prime (549767963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274883961 + 274883962.

It is an arithmetic number, because the mean of its divisors is an integer number (274883962).

Almost surely, 2^549767923 is an apocalyptic number.

549767923 is a deficient number, since it is larger than the sum of its proper divisors (1).

549767923 is an equidigital number, since it uses as much as digits as its factorization.

549767923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2857680, while the sum is 52.

The square root of 549767923 is about 23447.1303787905. The cubic root of 549767923 is about 819.2060146168.

The spelling of 549767923 in words is "five hundred forty-nine million, seven hundred sixty-seven thousand, nine hundred twenty-three".