49771279 has 16 divisors (see below), whose sum is σ = 55152000. Its totient is φ = 44724960.

The previous prime is 49771259. The next prime is 49771283. The reversal of 49771279 is 97217794.

It is not a de Polignac number, because 49771279 - 2⁵ = 49771247 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 (49771259) 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 15 ways as a sum of consecutive naturals, for example, 31744 + ... + 33274.

It is an arithmetic number, because the mean of its divisors is an integer number (3447000).

Almost surely, 2^49771279 is an apocalyptic number.

49771279 is a deficient number, since it is larger than the sum of its proper divisors (5380721).

49771279 is a wasteful number, since it uses less digits than its factorization.

49771279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638.

The product of its digits is 222264, while the sum is 46.

The square root of 49771279 is about 7054.8762568879. The cubic root of 49771279 is about 367.8405475513.

The spelling of 49771279 in words is "forty-nine million, seven hundred seventy-one thousand, two hundred seventy-nine".