49659479 has 8 divisors (see below), whose sum is σ = 50564160. Its totient is φ = 48761856.

The previous prime is 49659469. The next prime is 49659503. The reversal of 49659479 is 97495694.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49659479 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 49659479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49659469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13619 + ... + 16875.

It is an arithmetic number, because the mean of its divisors is an integer number (6320520).

Almost surely, 2^49659479 is an apocalyptic number.

49659479 is a deficient number, since it is larger than the sum of its proper divisors (904681).

49659479 is a wasteful number, since it uses less digits than its factorization.

49659479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3529.

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

The square root of 49659479 is about 7046.9482047195. The cubic root of 49659479 is about 367.5649173425.

The spelling of 49659479 in words is "forty-nine million, six hundred fifty-nine thousand, four hundred seventy-nine".