49999775 has 24 divisors (see below), whose sum is σ = 72376320. Its totient is φ = 33550560.

The previous prime is 49999759. The next prime is 49999777. The reversal of 49999775 is 57799994.

It is not a de Polignac number, because 49999775 - 2⁴ = 49999759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49999777) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5186 + ... + 11264.

It is an arithmetic number, because the mean of its divisors is an integer number (3015680).

Almost surely, 2^49999775 is an apocalyptic number.

49999775 is a deficient number, since it is larger than the sum of its proper divisors (22376545).

49999775 is a wasteful number, since it uses less digits than its factorization.

49999775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6143 (or 6138 counting only the distinct ones).

The product of its digits is 6429780, while the sum is 59.

The square root of 49999775 is about 7071.0519019450. The cubic root of 49999775 is about 368.4025972585.

The spelling of 49999775 in words is "forty-nine million, nine hundred ninety-nine thousand, seven hundred seventy-five".