49649641 has 4 divisors (see below), whose sum is σ = 52262800. Its totient is φ = 47036484.

The previous prime is 49649627. The next prime is 49649651. The reversal of 49649641 is 14694694.

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.

It is a cyclic number.

It is not a de Polignac number, because 49649641 - 2⁷ = 49649513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49649651) 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, 1306551 + ... + 1306588.

It is an arithmetic number, because the mean of its divisors is an integer number (13065700).

Almost surely, 2^49649641 is an apocalyptic number.

It is an amenable number.

49649641 is a deficient number, since it is larger than the sum of its proper divisors (2613159).

49649641 is a wasteful number, since it uses less digits than its factorization.

49649641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2613158.

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

The square root of 49649641 is about 7046.2501374845. The cubic root of 49649641 is about 367.5406430747.

The spelling of 49649641 in words is "forty-nine million, six hundred forty-nine thousand, six hundred forty-one".