53862143 has 4 divisors (see below), whose sum is σ = 53907408. Its totient is φ = 53816880.

The previous prime is 53862119. The next prime is 53862157. The reversal of 53862143 is 34126835.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34126835 = 5 ⋅6825367.

It is a cyclic number.

It is not a de Polignac number, because 53862143 - 2⁶ = 53862079 is a prime.

It is a super-2 number, since 2×53862143² = 5802260897104898, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53862173) 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, 20798 + ... + 23243.

It is an arithmetic number, because the mean of its divisors is an integer number (13476852).

Almost surely, 2^53862143 is an apocalyptic number.

53862143 is a deficient number, since it is larger than the sum of its proper divisors (45265).

53862143 is a wasteful number, since it uses less digits than its factorization.

53862143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45264.

The product of its digits is 17280, while the sum is 32.

The square root of 53862143 is about 7339.0832533771. The cubic root of 53862143 is about 377.6543946905.

Adding to 53862143 its reverse (34126835), we get a palindrome (87988978).

The spelling of 53862143 in words is "fifty-three million, eight hundred sixty-two thousand, one hundred forty-three".