49311929 has 4 divisors (see below), whose sum is σ = 49330320. Its totient is φ = 49293540.

The previous prime is 49311907. The next prime is 49311949. The reversal of 49311929 is 92911394.

49311929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92911394 = 2 ⋅46455697.

It is a cyclic number.

It is not a de Polignac number, because 49311929 - 2⁸ = 49311673 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49311892 and 49311901.

It is not an unprimeable number, because it can be changed into a prime (49311949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4307 + ... + 10824.

It is an arithmetic number, because the mean of its divisors is an integer number (12332580).

Almost surely, 2^49311929 is an apocalyptic number.

It is an amenable number.

49311929 is a deficient number, since it is larger than the sum of its proper divisors (18391).

49311929 is a wasteful number, since it uses less digits than its factorization.

49311929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18390.

The product of its digits is 17496, while the sum is 38.

The square root of 49311929 is about 7022.2452961998. The cubic root of 49311929 is about 366.7054213399.

The spelling of 49311929 in words is "forty-nine million, three hundred eleven thousand, nine hundred twenty-nine".