53200447 has 4 divisors (see below), whose sum is σ = 53263240. Its totient is φ = 53137656.

The previous prime is 53200439. The next prime is 53200453. The reversal of 53200447 is 74400235.

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 53200447 - 2³ = 53200439 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 (53200457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30108 + ... + 31825.

It is an arithmetic number, because the mean of its divisors is an integer number (13315810).

Almost surely, 2^53200447 is an apocalyptic number.

53200447 is a deficient number, since it is larger than the sum of its proper divisors (62793).

53200447 is an equidigital number, since it uses as much as digits as its factorization.

53200447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62792.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 53200447 is about 7293.8636537846. The cubic root of 53200447 is about 376.1015244747.

The spelling of 53200447 in words is "fifty-three million, two hundred thousand, four hundred forty-seven".