49711893 has 32 divisors (see below), whose sum is σ = 87505920. Its totient is φ = 24303360.

The previous prime is 49711861. The next prime is 49711919. The reversal of 49711893 is 39811794.

It is a happy number.

It is not a de Polignac number, because 49711893 - 2⁵ = 49711861 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49711813) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2403 + ... + 10256.

It is an arithmetic number, because the mean of its divisors is an integer number (2734560).

Almost surely, 2^49711893 is an apocalyptic number.

It is an amenable number.

49711893 is a deficient number, since it is larger than the sum of its proper divisors (37794027).

49711893 is a wasteful number, since it uses less digits than its factorization.

49711893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12697.

The product of its digits is 54432, while the sum is 42.

The square root of 49711893 is about 7050.6661387418. Note that the first 3 decimals coincide. The cubic root of 49711893 is about 367.6941895639.

Subtracting from 49711893 its reverse (39811794), we obtain a palindrome (9900099).

The spelling of 49711893 in words is "forty-nine million, seven hundred eleven thousand, eight hundred ninety-three".