49975777 has 2 divisors, whose sum is σ = 49975778. Its totient is φ = 49975776.

The previous prime is 49975691. The next prime is 49975781. The reversal of 49975777 is 77757994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26122321 + 23853456 = 5111^2 + 4884^2 .

It is a cyclic number.

It is not a de Polignac number, because 49975777 - 2⁷ = 49975649 is a prime.

It is not a weakly prime, because it can be changed into another prime (49975577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24987888 + 24987889.

It is an arithmetic number, because the mean of its divisors is an integer number (24987889).

Almost surely, 2^49975777 is an apocalyptic number.

It is an amenable number.

49975777 is a deficient number, since it is larger than the sum of its proper divisors (1).

49975777 is an equidigital number, since it uses as much as digits as its factorization.

49975777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3889620, while the sum is 55.

The square root of 49975777 is about 7069.3547796104. The cubic root of 49975777 is about 368.3436480576.

The spelling of 49975777 in words is "forty-nine million, nine hundred seventy-five thousand, seven hundred seventy-seven".