49763999 has 4 divisors (see below), whose sum is σ = 49934136. Its totient is φ = 49593864.

The previous prime is 49763993. The next prime is 49764031. The reversal of 49763999 is 99936794.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49763999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49763993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84629 + ... + 85214.

It is an arithmetic number, because the mean of its divisors is an integer number (12483534).

Almost surely, 2^49763999 is an apocalyptic number.

49763999 is a deficient number, since it is larger than the sum of its proper divisors (170137).

49763999 is a wasteful number, since it uses less digits than its factorization.

49763999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170136.

The product of its digits is 3306744, while the sum is 56.

The square root of 49763999 is about 7054.3602828322. The cubic root of 49763999 is about 367.8226121087.

The spelling of 49763999 in words is "forty-nine million, seven hundred sixty-three thousand, nine hundred ninety-nine".