49278299 has 8 divisors (see below), whose sum is σ = 57159168. Its totient is φ = 41607720.

The previous prime is 49278293. The next prime is 49278311. The reversal of 49278299 is 99287294.

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

It is a de Polignac number, because none of the positive numbers 2^k-49278299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49278293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52067 + ... + 53004.

It is an arithmetic number, because the mean of its divisors is an integer number (7144896).

Almost surely, 2^49278299 is an apocalyptic number.

49278299 is a deficient number, since it is larger than the sum of its proper divisors (7880869).

49278299 is a wasteful number, since it uses less digits than its factorization.

49278299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105145.

The product of its digits is 653184, while the sum is 50.

The square root of 49278299 is about 7019.8503545304. The cubic root of 49278299 is about 366.6220398396.

The spelling of 49278299 in words is "forty-nine million, two hundred seventy-eight thousand, two hundred ninety-nine".