49929811 has 4 divisors (see below), whose sum is σ = 50260624. Its totient is φ = 49599000.

The previous prime is 49929797. The next prime is 49929821. The reversal of 49929811 is 11892994.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11892994 = 2 ⋅5946497.

It is a cyclic number.

It is not a de Polignac number, because 49929811 - 2⁵ = 49929779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49929821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165180 + ... + 165481.

It is an arithmetic number, because the mean of its divisors is an integer number (12565156).

Almost surely, 2^49929811 is an apocalyptic number.

49929811 is a deficient number, since it is larger than the sum of its proper divisors (330813).

49929811 is a wasteful number, since it uses less digits than its factorization.

49929811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330812.

The product of its digits is 46656, while the sum is 43.

The square root of 49929811 is about 7066.1029570761. The cubic root of 49929811 is about 368.2306834793.

The spelling of 49929811 in words is "forty-nine million, nine hundred twenty-nine thousand, eight hundred eleven".