549854779 has 2 divisors, whose sum is σ = 549854780. Its totient is φ = 549854778.

The previous prime is 549854741. The next prime is 549854791. The reversal of 549854779 is 977458945.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 549854779 - 2²⁷ = 415637051 is a prime.

It is not a weakly prime, because it can be changed into another prime (549858779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274927389 + 274927390.

It is an arithmetic number, because the mean of its divisors is an integer number (274927390).

Almost surely, 2^549854779 is an apocalyptic number.

549854779 is a deficient number, since it is larger than the sum of its proper divisors (1).

549854779 is an equidigital number, since it uses as much as digits as its factorization.

549854779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12700800, while the sum is 58.

The square root of 549854779 is about 23448.9824725936. The cubic root of 549854779 is about 819.2491535535.

The spelling of 549854779 in words is "five hundred forty-nine million, eight hundred fifty-four thousand, seven hundred seventy-nine".