53421347 has 8 divisors (see below), whose sum is σ = 61113696. Its totient is φ = 45744192.

The previous prime is 53421343. The next prime is 53421353. The reversal of 53421347 is 74312435.

It is a happy number.

53421347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 53421347 - 2² = 53421343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53421343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5153 + ... + 11549.

It is an arithmetic number, because the mean of its divisors is an integer number (7639212).

Almost surely, 2^53421347 is an apocalyptic number.

53421347 is a deficient number, since it is larger than the sum of its proper divisors (7692349).

53421347 is a wasteful number, since it uses less digits than its factorization.

53421347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7597.

The product of its digits is 10080, while the sum is 29.

The square root of 53421347 is about 7308.9908332136. The cubic root of 53421347 is about 376.6213578344.

The spelling of 53421347 in words is "fifty-three million, four hundred twenty-one thousand, three hundred forty-seven".