49535643 has 4 divisors (see below), whose sum is σ = 66047528. Its totient is φ = 33023760.

The previous prime is 49535627. The next prime is 49535653. The reversal of 49535643 is 34653594.

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

It is not a de Polignac number, because 49535643 - 2⁴ = 49535627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49535623) 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, 8255938 + ... + 8255943.

It is an arithmetic number, because the mean of its divisors is an integer number (16511882).

Almost surely, 2^49535643 is an apocalyptic number.

49535643 is a deficient number, since it is larger than the sum of its proper divisors (16511885).

49535643 is a wasteful number, since it uses less digits than its factorization.

49535643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16511884.

The product of its digits is 194400, while the sum is 39.

The square root of 49535643 is about 7038.1562216251. The cubic root of 49535643 is about 367.2591304215.

The spelling of 49535643 in words is "forty-nine million, five hundred thirty-five thousand, six hundred forty-three".