49348609 has 4 divisors (see below), whose sum is σ = 49407316. Its totient is φ = 49289904.

The previous prime is 49348601. The next prime is 49348619. The reversal of 49348609 is 90684394.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90684394 = 2 ⋅45342197.

It can be written as a sum of positive squares in 2 ways, for example, as 4190209 + 45158400 = 2047^2 + 6720^2 .

It is a cyclic number.

It is not a de Polignac number, because 49348609 - 2³ = 49348601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49348601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28074 + ... + 29779.

It is an arithmetic number, because the mean of its divisors is an integer number (12351829).

It is a Proth number, since it is equal to 753 ⋅ 2¹⁶ + 1 and 753 < 2¹⁶.

Almost surely, 2^49348609 is an apocalyptic number.

It is an amenable number.

49348609 is a deficient number, since it is larger than the sum of its proper divisors (58707).

49348609 is an equidigital number, since it uses as much as digits as its factorization.

49348609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58706.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 49348609 is about 7024.8565109901. The cubic root of 49348609 is about 366.7963217329.

The spelling of 49348609 in words is "forty-nine million, three hundred forty-eight thousand, six hundred nine".