49205823 has 8 divisors (see below), whose sum is σ = 66720000. Its totient is φ = 32247768.

The previous prime is 49205813. The next prime is 49205857. The reversal of 49205823 is 32850294.

It is a happy number.

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

It is not a de Polignac number, because 49205823 - 2⁶ = 49205759 is a prime.

It is a super-3 number, since 3×49205823³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49205813) 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, 138823 + ... + 139176.

It is an arithmetic number, because the mean of its divisors is an integer number (8340000).

Almost surely, 2^49205823 is an apocalyptic number.

49205823 is a deficient number, since it is larger than the sum of its proper divisors (17514177).

49205823 is a wasteful number, since it uses less digits than its factorization.

49205823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278061.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 49205823 is about 7014.6862367464. The cubic root of 49205823 is about 366.4422153413.

The spelling of 49205823 in words is "forty-nine million, two hundred five thousand, eight hundred twenty-three".