49543621 has 8 divisors (see below), whose sum is σ = 53424000. Its totient is φ = 45790560.

The previous prime is 49543609. The next prime is 49543643. The reversal of 49543621 is 12634594.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49543621 - 2⁷ = 49543493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49543601) 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 7 ways as a sum of consecutive naturals, for example, 31021 + ... + 32578.

It is an arithmetic number, because the mean of its divisors is an integer number (6678000).

Almost surely, 2^49543621 is an apocalyptic number.

49543621 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

49543621 is a deficient number, since it is larger than the sum of its proper divisors (3880379).

49543621 is a wasteful number, since it uses less digits than its factorization.

49543621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63659.

The product of its digits is 25920, while the sum is 34.

The square root of 49543621 is about 7038.7229665615. The cubic root of 49543621 is about 367.2788457610.

The spelling of 49543621 in words is "forty-nine million, five hundred forty-three thousand, six hundred twenty-one".