49148311 has 4 divisors (see below), whose sum is σ = 49405824. Its totient is φ = 48890800.

The previous prime is 49148293. The next prime is 49148399. The reversal of 49148311 is 11384194.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11384194 = 2 ⋅5692097.

It is a cyclic number.

It is not a de Polignac number, because 49148311 - 2¹⁵ = 49115543 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49145311) 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 3 ways as a sum of consecutive naturals, for example, 128470 + ... + 128851.

It is an arithmetic number, because the mean of its divisors is an integer number (12351456).

Almost surely, 2^49148311 is an apocalyptic number.

49148311 is a deficient number, since it is larger than the sum of its proper divisors (257513).

49148311 is a wasteful number, since it uses less digits than its factorization.

49148311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257512.

The product of its digits is 3456, while the sum is 31.

The square root of 49148311 is about 7010.5856388750. The cubic root of 49148311 is about 366.2993932150.

It can be divided in two parts, 4914 and 8311, that added together give a square (13225 = 115²).

The spelling of 49148311 in words is "forty-nine million, one hundred forty-eight thousand, three hundred eleven".