49211777 has 2 divisors, whose sum is σ = 49211778. Its totient is φ = 49211776.

The previous prime is 49211731. The next prime is 49211783. The reversal of 49211777 is 77711294.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41422096 + 7789681 = 6436^2 + 2791^2 .

It is a cyclic number.

It is not a de Polignac number, because 49211777 - 2¹⁰ = 49210753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49211777.

It is not a weakly prime, because it can be changed into another prime (49211797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24605888 + 24605889.

It is an arithmetic number, because the mean of its divisors is an integer number (24605889).

Almost surely, 2^49211777 is an apocalyptic number.

It is an amenable number.

49211777 is a deficient number, since it is larger than the sum of its proper divisors (1).

49211777 is an equidigital number, since it uses as much as digits as its factorization.

49211777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24696, while the sum is 38.

The square root of 49211777 is about 7015.1106192276. The cubic root of 49211777 is about 366.4569948181.

The spelling of 49211777 in words is "forty-nine million, two hundred eleven thousand, seven hundred seventy-seven".