49804581 has 8 divisors (see below), whose sum is σ = 66441024. Its totient is φ = 33185600.

The previous prime is 49804561. The next prime is 49804603. The reversal of 49804581 is 18540894.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49804581 - 2¹³ = 49796389 is a prime.

It is a super-2 number, since 2×49804581² = 4960992577171122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49804501) 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 7 ways as a sum of consecutive naturals, for example, 5440 + ... + 11366.

It is an arithmetic number, because the mean of its divisors is an integer number (8305128).

Almost surely, 2^49804581 is an apocalyptic number.

It is an amenable number.

49804581 is a deficient number, since it is larger than the sum of its proper divisors (16636443).

49804581 is a wasteful number, since it uses less digits than its factorization.

49804581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8731.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 49804581 is about 7057.2360737048. The cubic root of 49804581 is about 367.9225700554.

The spelling of 49804581 in words is "forty-nine million, eight hundred four thousand, five hundred eighty-one".