549774201 has 4 divisors (see below), whose sum is σ = 733032272. Its totient is φ = 366516132.

The previous prime is 549774179. The next prime is 549774227. The reversal of 549774201 is 102477945.

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 not a de Polignac number, because 549774201 - 2⁷ = 549774073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 549774201.

It is not an unprimeable number, because it can be changed into a prime (549774301) 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, 91629031 + ... + 91629036.

It is an arithmetic number, because the mean of its divisors is an integer number (183258068).

Almost surely, 2^549774201 is an apocalyptic number.

It is an amenable number.

549774201 is a deficient number, since it is larger than the sum of its proper divisors (183258071).

549774201 is a wasteful number, since it uses less digits than its factorization.

549774201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183258070.

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 549774201 is about 23447.2642540660. The cubic root of 549774201 is about 819.2091328755.

The spelling of 549774201 in words is "five hundred forty-nine million, seven hundred seventy-four thousand, two hundred one".