49913767 has 4 divisors (see below), whose sum is σ = 49945896. Its totient is φ = 49881640.

The previous prime is 49913753. The next prime is 49913783. The reversal of 49913767 is 76731994.

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-49913767 is a prime.

It is a super-2 number, since 2×49913767² = 4982768272260578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49913707) 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, 13609 + ... + 16882.

It is an arithmetic number, because the mean of its divisors is an integer number (12486474).

Almost surely, 2^49913767 is an apocalyptic number.

49913767 is a deficient number, since it is larger than the sum of its proper divisors (32129).

49913767 is a wasteful number, since it uses less digits than its factorization.

49913767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32128.

The product of its digits is 285768, while the sum is 46.

The square root of 49913767 is about 7064.9675866206. The cubic root of 49913767 is about 368.1912379331.

The spelling of 49913767 in words is "forty-nine million, nine hundred thirteen thousand, seven hundred sixty-seven".