49979901 has 8 divisors (see below), whose sum is σ = 67897440. Its totient is φ = 32691152.

The previous prime is 49979893. The next prime is 49979921. The reversal of 49979901 is 10997994.

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

It is a cyclic number.

It is not a de Polignac number, because 49979901 - 2³ = 49979893 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49979921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157011 + ... + 157328.

It is an arithmetic number, because the mean of its divisors is an integer number (8487180).

Almost surely, 2^49979901 is an apocalyptic number.

It is an amenable number.

49979901 is a deficient number, since it is larger than the sum of its proper divisors (17917539).

49979901 is a wasteful number, since it uses less digits than its factorization.

49979901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314395.

The product of its (nonzero) digits is 183708, while the sum is 48.

The square root of 49979901 is about 7069.6464550924. The cubic root of 49979901 is about 368.3537796821.

The spelling of 49979901 in words is "forty-nine million, nine hundred seventy-nine thousand, nine hundred one".