49065831 has 24 divisors (see below), whose sum is σ = 76702080. Its totient is φ = 31284792.

The previous prime is 49065829. The next prime is 49065851. The reversal of 49065831 is 13856094.

It is not a de Polignac number, because 49065831 - 2¹ = 49065829 is a prime.

It is a super-2 number, since 2×49065831² = 4814911543441122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49065851) 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 23 ways as a sum of consecutive naturals, for example, 1200 + ... + 9978.

It is an arithmetic number, because the mean of its divisors is an integer number (3195920).

Almost surely, 2^49065831 is an apocalyptic number.

49065831 is a deficient number, since it is larger than the sum of its proper divisors (27636249).

49065831 is an equidigital number, since it uses as much as digits as its factorization.

49065831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8817 (or 8805 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 49065831 is about 7004.7006360015. The cubic root of 49065831 is about 366.0943723318.

The spelling of 49065831 in words is "forty-nine million, sixty-five thousand, eight hundred thirty-one".