49761777 has 16 divisors (see below), whose sum is σ = 71624000. Its totient is φ = 30549312.

The previous prime is 49761743. The next prime is 49761797. The reversal of 49761777 is 77716794.

It is not a de Polignac number, because 49761777 - 2¹⁸ = 49499633 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49761797) 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, 18183 + ... + 20739.

It is an arithmetic number, because the mean of its divisors is an integer number (4476500).

Almost surely, 2^49761777 is an apocalyptic number.

It is an amenable number.

49761777 is a deficient number, since it is larger than the sum of its proper divisors (21862223).

49761777 is a wasteful number, since it uses less digits than its factorization.

49761777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072.

The product of its digits is 518616, while the sum is 48.

The square root of 49761777 is about 7054.2027898268. The cubic root of 49761777 is about 367.8171375084.

The spelling of 49761777 in words is "forty-nine million, seven hundred sixty-one thousand, seven hundred seventy-seven".