49507775 has 24 divisors (see below), whose sum is σ = 63995904. Its totient is φ = 37951200.

The previous prime is 49507771. The next prime is 49507789. The reversal of 49507775 is 57770594.

It is not a de Polignac number, because 49507775 - 2² = 49507771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49507771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98174 + ... + 98676.

It is an arithmetic number, because the mean of its divisors is an integer number (2666496).

Almost surely, 2^49507775 is an apocalyptic number.

49507775 is a deficient number, since it is larger than the sum of its proper divisors (14488129).

49507775 is a wasteful number, since it uses less digits than its factorization.

49507775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 308700, while the sum is 44.

The square root of 49507775 is about 7036.1761632296. The cubic root of 49507775 is about 367.1902460335.

The spelling of 49507775 in words is "forty-nine million, five hundred seven thousand, seven hundred seventy-five".