49181379 has 16 divisors (see below), whose sum is σ = 72264192. Its totient is φ = 29560608.

The previous prime is 49181369. The next prime is 49181389. The reversal of 49181379 is 97318194.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (49181369) and next prime (49181389).

It is not a de Polignac number, because 49181379 - 2⁵ = 49181347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49181379.

It is not an unprimeable number, because it can be changed into a prime (49181309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12987 + ... + 16340.

It is an arithmetic number, because the mean of its divisors is an integer number (4516512).

Almost surely, 2^49181379 is an apocalyptic number.

49181379 is a deficient number, since it is larger than the sum of its proper divisors (23082813).

49181379 is a wasteful number, since it uses less digits than its factorization.

49181379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29386.

The product of its digits is 54432, while the sum is 42.

The square root of 49181379 is about 7012.9436758040. The cubic root of 49181379 is about 366.3815260664.

The spelling of 49181379 in words is "forty-nine million, one hundred eighty-one thousand, three hundred seventy-nine".