49183813 has 4 divisors (see below), whose sum is σ = 56210080. Its totient is φ = 42157548.

The previous prime is 49183801. The next prime is 49183817. The reversal of 49183813 is 31838194.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31838194 = 2 ⋅15919097.

It is a cyclic number.

It is not a de Polignac number, because 49183813 - 2¹⁷ = 49052741 is a prime.

It is a super-2 number, since 2×49183813² = 4838094922437938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49183817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3513123 + ... + 3513136.

It is an arithmetic number, because the mean of its divisors is an integer number (14052520).

Almost surely, 2^49183813 is an apocalyptic number.

It is an amenable number.

49183813 is a deficient number, since it is larger than the sum of its proper divisors (7026267).

49183813 is an equidigital number, since it uses as much as digits as its factorization.

49183813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7026266.

The product of its digits is 20736, while the sum is 37.

The square root of 49183813 is about 7013.1172099146. The cubic root of 49183813 is about 366.3875700742.

The spelling of 49183813 in words is "forty-nine million, one hundred eighty-three thousand, eight hundred thirteen".