49472217 has 6 divisors (see below), whose sum is σ = 71459882. Its totient is φ = 32981472.

The previous prime is 49472209. The next prime is 49472237. The reversal of 49472217 is 71227494.

It can be written as a sum of positive squares in only one way, i.e., 49154121 + 318096 = 7011^2 + 564^2 .

It is not a de Polignac number, because 49472217 - 2³ = 49472209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49472237) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2748448 + ... + 2748465.

Almost surely, 2^49472217 is an apocalyptic number.

It is an amenable number.

49472217 is a deficient number, since it is larger than the sum of its proper divisors (21987665).

49472217 is a wasteful number, since it uses less digits than its factorization.

49472217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5496919 (or 5496916 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 49472217 is about 7033.6489107717. The cubic root of 49472217 is about 367.1023158859.

The spelling of 49472217 in words is "forty-nine million, four hundred seventy-two thousand, two hundred seventeen".