53207143 has 8 divisors (see below), whose sum is σ = 58415760. Its totient is φ = 48060480.

The previous prime is 53207123. The next prime is 53207153. The reversal of 53207143 is 34170235.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53207143 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 (53207123) 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, 13678 + ... + 17131.

It is an arithmetic number, because the mean of its divisors is an integer number (7301970).

Almost surely, 2^53207143 is an apocalyptic number.

53207143 is a deficient number, since it is larger than the sum of its proper divisors (5208617).

53207143 is a wasteful number, since it uses less digits than its factorization.

53207143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30977.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 53207143 is about 7294.3226553259. The cubic root of 53207143 is about 376.1173029772.

Adding to 53207143 its reverse (34170235), we get a palindrome (87377378).

The spelling of 53207143 in words is "fifty-three million, two hundred seven thousand, one hundred forty-three".