49947658 has 8 divisors (see below), whose sum is σ = 75089700. Its totient is φ = 24917760.

The previous prime is 49947647. The next prime is 49947659. The reversal of 49947658 is 85674994.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 47706649 + 2241009 = 6907^2 + 1497^2 .

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

It is not an unprimeable number, because it can be changed into a prime (49947659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26913 + ... + 28708.

Almost surely, 2^49947658 is an apocalyptic number.

49947658 is a deficient number, since it is larger than the sum of its proper divisors (25142042).

49947658 is a wasteful number, since it uses less digits than its factorization.

49947658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56072.

The product of its digits is 2177280, while the sum is 52.

The square root of 49947658 is about 7067.3657044192. The cubic root of 49947658 is about 368.2745519286.

It can be divided in two parts, 49947 and 658, that added together give a palindrome (50605).

The spelling of 49947658 in words is "forty-nine million, nine hundred forty-seven thousand, six hundred fifty-eight".