49212385 has 4 divisors (see below), whose sum is σ = 59054868. Its totient is φ = 39369904.

The previous prime is 49212379. The next prime is 49212389. The reversal of 49212385 is 58321294.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7273809 + 41938576 = 2697^2 + 6476^2 .

It is a cyclic number.

It is not a de Polignac number, because 49212385 - 2⁵ = 49212353 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49212385.

It is not an unprimeable number, because it can be changed into a prime (49212389) 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, 4921234 + ... + 4921243.

It is an arithmetic number, because the mean of its divisors is an integer number (14763717).

Almost surely, 2^49212385 is an apocalyptic number.

It is an amenable number.

49212385 is a deficient number, since it is larger than the sum of its proper divisors (9842483).

49212385 is an equidigital number, since it uses as much as digits as its factorization.

49212385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9842482.

The product of its digits is 17280, while the sum is 34.

The square root of 49212385 is about 7015.1539541196. The cubic root of 49212385 is about 366.4585039754.

The spelling of 49212385 in words is "forty-nine million, two hundred twelve thousand, three hundred eighty-five".