49549679 has 4 divisors (see below), whose sum is σ = 52464384. Its totient is φ = 46634976.

The previous prime is 49549673. The next prime is 49549681. The reversal of 49549679 is 97694594.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49549679 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 49549679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49549673) 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, 1457327 + ... + 1457360.

It is an arithmetic number, because the mean of its divisors is an integer number (13116096).

Almost surely, 2^49549679 is an apocalyptic number.

49549679 is a deficient number, since it is larger than the sum of its proper divisors (2914705).

49549679 is a wasteful number, since it uses less digits than its factorization.

49549679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2914704.

The product of its digits is 2449440, while the sum is 53.

The square root of 49549679 is about 7039.1532871504. The cubic root of 49549679 is about 367.2938149573.

The spelling of 49549679 in words is "forty-nine million, five hundred forty-nine thousand, six hundred seventy-nine".