49646543 has 4 divisors (see below), whose sum is σ = 49667568. Its totient is φ = 49625520.

The previous prime is 49646507. The next prime is 49646549. The reversal of 49646543 is 34564694.

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

It is a cyclic number.

It is not a de Polignac number, because 49646543 - 2⁸ = 49646287 is a prime.

It is a super-3 number, since 3×49646543³ (a number of 24 digits) contains 333 as substring.

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 49646543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49646549) 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, 6446 + ... + 11867.

It is an arithmetic number, because the mean of its divisors is an integer number (12416892).

Almost surely, 2^49646543 is an apocalyptic number.

49646543 is a deficient number, since it is larger than the sum of its proper divisors (21025).

49646543 is a wasteful number, since it uses less digits than its factorization.

49646543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21024.

The product of its digits is 311040, while the sum is 41.

The square root of 49646543 is about 7046.0303008148. The cubic root of 49646543 is about 367.5329984098.

The spelling of 49646543 in words is "forty-nine million, six hundred forty-six thousand, five hundred forty-three".