49273813 has 8 divisors (see below), whose sum is σ = 52058880. Its totient is φ = 46561200.

The previous prime is 49273771. The next prime is 49273823. The reversal of 49273813 is 31837294.

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 49273813 - 2¹⁷ = 49142741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49273823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16713 + ... + 19438.

It is an arithmetic number, because the mean of its divisors is an integer number (6507360).

Almost surely, 2^49273813 is an apocalyptic number.

It is an amenable number.

49273813 is a deficient number, since it is larger than the sum of its proper divisors (2785067).

49273813 is a wasteful number, since it uses less digits than its factorization.

49273813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36227.

The product of its digits is 36288, while the sum is 37.

The square root of 49273813 is about 7019.5308247774. The cubic root of 49273813 is about 366.6109144801.

It can be divided in two parts, 49273 and 813, that added together give a triangular number (50086 = T₃₁₆).

The spelling of 49273813 in words is "forty-nine million, two hundred seventy-three thousand, eight hundred thirteen".