549792901 has 4 divisors (see below), whose sum is σ = 628334752. Its totient is φ = 471251052.

The previous prime is 549792899. The next prime is 549792907. The reversal of 549792901 is 109297945.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 109297945 = 5 ⋅21859589.

It is a cyclic number.

It is not a de Polignac number, because 549792901 - 2¹ = 549792899 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 (549792907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39270915 + ... + 39270928.

It is an arithmetic number, because the mean of its divisors is an integer number (157083688).

Almost surely, 2^549792901 is an apocalyptic number.

It is an amenable number.

549792901 is a deficient number, since it is larger than the sum of its proper divisors (78541851).

549792901 is an equidigital number, since it uses as much as digits as its factorization.

549792901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78541850.

The product of its (nonzero) digits is 204120, while the sum is 46.

The square root of 549792901 is about 23447.6630178788. The cubic root of 549792901 is about 819.2184209536.

The spelling of 549792901 in words is "five hundred forty-nine million, seven hundred ninety-two thousand, nine hundred one".