49977317 has 4 divisors (see below), whose sum is σ = 53821740. Its totient is φ = 46132896.

The previous prime is 49977313. The next prime is 49977329. The reversal of 49977317 is 71377994.

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

It can be written as a sum of positive squares in 2 ways, for example, as 33339076 + 16638241 = 5774^2 + 4079^2 .

It is a cyclic number.

It is not a de Polignac number, because 49977317 - 2² = 49977313 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49977313) 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 3 ways as a sum of consecutive naturals, for example, 1922192 + ... + 1922217.

It is an arithmetic number, because the mean of its divisors is an integer number (13455435).

Almost surely, 2^49977317 is an apocalyptic number.

It is an amenable number.

49977317 is a deficient number, since it is larger than the sum of its proper divisors (3844423).

49977317 is a wasteful number, since it uses less digits than its factorization.

49977317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3844422.

The product of its digits is 333396, while the sum is 47.

The square root of 49977317 is about 7069.4636996027. The cubic root of 49977317 is about 368.3474315131.

The spelling of 49977317 in words is "forty-nine million, nine hundred seventy-seven thousand, three hundred seventeen".