49171213 has 8 divisors (see below), whose sum is σ = 60518528. Its totient is φ = 38904624.

The previous prime is 49171201. The next prime is 49171237. The reversal of 49171213 is 31217194.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49171213 - 2⁹ = 49170701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49171813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270081 + ... + 270262.

It is an arithmetic number, because the mean of its divisors is an integer number (7564816).

Almost surely, 2^49171213 is an apocalyptic number.

It is an amenable number.

49171213 is a deficient number, since it is larger than the sum of its proper divisors (11347315).

49171213 is a wasteful number, since it uses less digits than its factorization.

49171213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540363.

The product of its digits is 1512, while the sum is 28.

The square root of 49171213 is about 7012.2188357181. The cubic root of 49171213 is about 366.3562801208.

The spelling of 49171213 in words is "forty-nine million, one hundred seventy-one thousand, two hundred thirteen".