49977318 has 8 divisors (see below), whose sum is σ = 99954648. Its totient is φ = 16659104.

The previous prime is 49977313. The next prime is 49977329. The reversal of 49977318 is 81377994.

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

49977318 is an admirable number.

It is a Curzon 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, 4164771 + ... + 4164782.

It is an arithmetic number, because the mean of its divisors is an integer number (12494331).

Almost surely, 2^49977318 is an apocalyptic number.

49977318 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49977318 is a wasteful number, since it uses less digits than its factorization.

49977318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8329558.

The product of its digits is 381024, while the sum is 48.

The square root of 49977318 is about 7069.4637703294. The cubic root of 49977318 is about 368.3474339699.

The spelling of 49977318 in words is "forty-nine million, nine hundred seventy-seven thousand, three hundred eighteen".