49315219 has 4 divisors (see below), whose sum is σ = 49491000. Its totient is φ = 49139440.

The previous prime is 49315193. The next prime is 49315229. The reversal of 49315219 is 91251394.

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 49315219 - 2⁵ = 49315187 is a prime.

It is a super-2 number, since 2×49315219² = 4863981650035922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49315229) 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, 87469 + ... + 88030.

It is an arithmetic number, because the mean of its divisors is an integer number (12372750).

Almost surely, 2^49315219 is an apocalyptic number.

49315219 is a deficient number, since it is larger than the sum of its proper divisors (175781).

49315219 is a wasteful number, since it uses less digits than its factorization.

49315219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175780.

The product of its digits is 9720, while the sum is 34.

The square root of 49315219 is about 7022.4795478520. The cubic root of 49315219 is about 366.7135764593.

The spelling of 49315219 in words is "forty-nine million, three hundred fifteen thousand, two hundred nineteen".