49723887 has 4 divisors (see below), whose sum is σ = 66298520. Its totient is φ = 33149256.

The previous prime is 49723879. The next prime is 49723901. The reversal of 49723887 is 78832794.

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

It is not a de Polignac number, because 49723887 - 2³ = 49723879 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 (49723837) 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 3 ways as a sum of consecutive naturals, for example, 8287312 + ... + 8287317.

It is an arithmetic number, because the mean of its divisors is an integer number (16574630).

Almost surely, 2^49723887 is an apocalyptic number.

49723887 is a deficient number, since it is larger than the sum of its proper divisors (16574633).

49723887 is a wasteful number, since it uses less digits than its factorization.

49723887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16574632.

The product of its digits is 677376, while the sum is 48.

The square root of 49723887 is about 7051.5166453750. The cubic root of 49723887 is about 367.7237584069.

The spelling of 49723887 in words is "forty-nine million, seven hundred twenty-three thousand, eight hundred eighty-seven".