549995371 has 2 divisors, whose sum is σ = 549995372. Its totient is φ = 549995370.

The previous prime is 549995351. The next prime is 549995401. The reversal of 549995371 is 173599945.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 549995371 - 2⁹ = 549994859 is a prime.

It is not a weakly prime, because it can be changed into another prime (549995321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274997685 + 274997686.

It is an arithmetic number, because the mean of its divisors is an integer number (274997686).

Almost surely, 2^549995371 is an apocalyptic number.

549995371 is a deficient number, since it is larger than the sum of its proper divisors (1).

549995371 is an equidigital number, since it uses as much as digits as its factorization.

549995371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1530900, while the sum is 52.

The square root of 549995371 is about 23451.9801082979. The cubic root of 549995371 is about 819.3189720256.

The spelling of 549995371 in words is "five hundred forty-nine million, nine hundred ninety-five thousand, three hundred seventy-one".