49911867 has 12 divisors (see below), whose sum is σ = 72161544. Its totient is φ = 33243840.

The previous prime is 49911857. The next prime is 49911887. The reversal of 49911867 is 76811994.

It is a happy number.

It is not a de Polignac number, because 49911867 - 2⁷ = 49911739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49911857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12192 + ... + 15762.

It is an arithmetic number, because the mean of its divisors is an integer number (6013462).

Almost surely, 2^49911867 is an apocalyptic number.

49911867 is a deficient number, since it is larger than the sum of its proper divisors (22249677).

49911867 is a wasteful number, since it uses less digits than its factorization.

49911867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5130 (or 5127 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 49911867 is about 7064.8331190482. The cubic root of 49911867 is about 368.1865660609.

The spelling of 49911867 in words is "forty-nine million, nine hundred eleven thousand, eight hundred sixty-seven".