49133811 has 4 divisors (see below), whose sum is σ = 65511752. Its totient is φ = 32755872.

The previous prime is 49133807. The next prime is 49133831. The reversal of 49133811 is 11833194.

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

It is not a de Polignac number, because 49133811 - 2² = 49133807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49133831) 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, 8188966 + ... + 8188971.

It is an arithmetic number, because the mean of its divisors is an integer number (16377938).

Almost surely, 2^49133811 is an apocalyptic number.

49133811 is a deficient number, since it is larger than the sum of its proper divisors (16377941).

49133811 is a wasteful number, since it uses less digits than its factorization.

49133811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16377940.

The product of its digits is 2592, while the sum is 30.

The square root of 49133811 is about 7009.5514121804. The cubic root of 49133811 is about 366.2633671305.

The spelling of 49133811 in words is "forty-nine million, one hundred thirty-three thousand, eight hundred eleven".