53421771 has 8 divisors (see below), whose sum is σ = 76708240. Its totient is φ = 32874912.

The previous prime is 53421763. The next prime is 53421833. The reversal of 53421771 is 17712435.

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

It is not a de Polignac number, because 53421771 - 2³ = 53421763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53421761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 684856 + ... + 684933.

It is an arithmetic number, because the mean of its divisors is an integer number (9588530).

Almost surely, 2^53421771 is an apocalyptic number.

53421771 is a deficient number, since it is larger than the sum of its proper divisors (23286469).

53421771 is a wasteful number, since it uses less digits than its factorization.

53421771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369805.

The product of its digits is 5880, while the sum is 30.

The square root of 53421771 is about 7309.0198385283. The cubic root of 53421771 is about 376.6223542341.

The spelling of 53421771 in words is "fifty-three million, four hundred twenty-one thousand, seven hundred seventy-one".