49879379 has 4 divisors (see below), whose sum is σ = 54413880. Its totient is φ = 45344880.

The previous prime is 49879373. The next prime is 49879397. The reversal of 49879379 is 97397894.

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 49879379 - 2⁴ = 49879363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49879373) 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, 2267234 + ... + 2267255.

It is an arithmetic number, because the mean of its divisors is an integer number (13603470).

Almost surely, 2^49879379 is an apocalyptic number.

49879379 is a deficient number, since it is larger than the sum of its proper divisors (4534501).

49879379 is a wasteful number, since it uses less digits than its factorization.

49879379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4534500.

The product of its digits is 3429216, while the sum is 56.

The square root of 49879379 is about 7062.5334689472. The cubic root of 49879379 is about 368.1066636107.

The spelling of 49879379 in words is "forty-nine million, eight hundred seventy-nine thousand, three hundred seventy-nine".