49053649 has 4 divisors (see below), whose sum is σ = 51635440. Its totient is φ = 46471860.

The previous prime is 49053643. The next prime is 49053659. The reversal of 49053649 is 94635094.

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: 94635094 = 2 ⋅47317547.

It is a cyclic number.

It is not a de Polignac number, because 49053649 - 2⁵ = 49053617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49053643) 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, 1290867 + ... + 1290904.

It is an arithmetic number, because the mean of its divisors is an integer number (12908860).

Almost surely, 2^49053649 is an apocalyptic number.

It is an amenable number.

49053649 is a deficient number, since it is larger than the sum of its proper divisors (2581791).

49053649 is a wasteful number, since it uses less digits than its factorization.

49053649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2581790.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 49053649 is about 7003.8310230901. The cubic root of 49053649 is about 366.0640720142.

The spelling of 49053649 in words is "forty-nine million, fifty-three thousand, six hundred forty-nine".