49581233 has 4 divisors (see below), whose sum is σ = 53395188. Its totient is φ = 45767280.

The previous prime is 49581223. The next prime is 49581239. The reversal of 49581233 is 33218594.

49581233 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 an emirpimes, since its reverse is a distinct semiprime: 33218594 = 2 ⋅16609297.

It can be written as a sum of positive squares in 2 ways, for example, as 2411809 + 47169424 = 1553^2 + 6868^2 .

It is not a de Polignac number, because 49581233 - 2⁸ = 49580977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 49581193 and 49581202.

It is not an unprimeable number, because it can be changed into a prime (49581239) 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, 1906958 + ... + 1906983.

It is an arithmetic number, because the mean of its divisors is an integer number (13348797).

Almost surely, 2^49581233 is an apocalyptic number.

It is an amenable number.

49581233 is a deficient number, since it is larger than the sum of its proper divisors (3813955).

49581233 is a wasteful number, since it uses less digits than its factorization.

49581233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3813954.

The product of its digits is 25920, while the sum is 35.

The square root of 49581233 is about 7041.3942511409. The cubic root of 49581233 is about 367.3717645357.

The spelling of 49581233 in words is "forty-nine million, five hundred eighty-one thousand, two hundred thirty-three".