49701779 has 4 divisors (see below), whose sum is σ = 49748184. Its totient is φ = 49655376.

The previous prime is 49701731. The next prime is 49701787. The reversal of 49701779 is 97710794.

It is a happy number.

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-49701779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49701079) 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, 21557 + ... + 23750.

It is an arithmetic number, because the mean of its divisors is an integer number (12437046).

Almost surely, 2^49701779 is an apocalyptic number.

49701779 is a deficient number, since it is larger than the sum of its proper divisors (46405).

49701779 is a wasteful number, since it uses less digits than its factorization.

49701779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46404.

The product of its (nonzero) digits is 111132, while the sum is 44.

The square root of 49701779 is about 7049.9488650628. The cubic root of 49701779 is about 367.6692517939.

The spelling of 49701779 in words is "forty-nine million, seven hundred one thousand, seven hundred seventy-nine".