49278441 has 4 divisors (see below), whose sum is σ = 65704592. Its totient is φ = 32852292.

The previous prime is 49278421. The next prime is 49278469. The reversal of 49278441 is 14487294.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 49278441 - 2⁵ = 49278409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49278441.

It is not an unprimeable number, because it can be changed into a prime (49278421) 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 3 ways as a sum of consecutive naturals, for example, 8213071 + ... + 8213076.

It is an arithmetic number, because the mean of its divisors is an integer number (16426148).

Almost surely, 2^49278441 is an apocalyptic number.

It is an amenable number.

49278441 is a deficient number, since it is larger than the sum of its proper divisors (16426151).

49278441 is a wasteful number, since it uses less digits than its factorization.

49278441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16426150.

The product of its digits is 64512, while the sum is 39.

The square root of 49278441 is about 7019.8604686988. The cubic root of 49278441 is about 366.6223919911.

The spelling of 49278441 in words is "forty-nine million, two hundred seventy-eight thousand, four hundred forty-one".