49865723 has 4 divisors (see below), whose sum is σ = 49880040. Its totient is φ = 49851408.

The previous prime is 49865719. The next prime is 49865729. The reversal of 49865723 is 32756894.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 49865723 - 2² = 49865719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49865729) 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, 1823 + ... + 10151.

It is an arithmetic number, because the mean of its divisors is an integer number (12470010).

Almost surely, 2^49865723 is an apocalyptic number.

49865723 is a deficient number, since it is larger than the sum of its proper divisors (14317).

49865723 is an equidigital number, since it uses as much as digits as its factorization.

49865723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14316.

The product of its digits is 362880, while the sum is 44.

The square root of 49865723 is about 7061.5666108874. The cubic root of 49865723 is about 368.0730670723.

The spelling of 49865723 in words is "forty-nine million, eight hundred sixty-five thousand, seven hundred twenty-three".