549948407 has 4 divisors (see below), whose sum is σ = 578893080. Its totient is φ = 521003736.

The previous prime is 549948403. The next prime is 549948433. The reversal of 549948407 is 704849945.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 549948407 - 2² = 549948403 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 (549948403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14472308 + ... + 14472345.

It is an arithmetic number, because the mean of its divisors is an integer number (144723270).

Almost surely, 2^549948407 is an apocalyptic number.

549948407 is a deficient number, since it is larger than the sum of its proper divisors (28944673).

549948407 is a wasteful number, since it uses less digits than its factorization.

549948407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28944672.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 549948407 is about 23450.9788068643. The cubic root of 549948407 is about 819.2956508648.

The spelling of 549948407 in words is "five hundred forty-nine million, nine hundred forty-eight thousand, four hundred seven".