53020543 has 8 divisors (see below), whose sum is σ = 55836000. Its totient is φ = 50247648.

The previous prime is 53020531. The next prime is 53020549. The reversal of 53020543 is 34502035.

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-53020543 is a prime.

It is a super-2 number, since 2×53020543² = 5622355960029698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53020549) 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, 8068 + ... + 13081.

It is an arithmetic number, because the mean of its divisors is an integer number (6979500).

Almost surely, 2^53020543 is an apocalyptic number.

53020543 is a deficient number, since it is larger than the sum of its proper divisors (2815457).

53020543 is a wasteful number, since it uses less digits than its factorization.

53020543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21281.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 53020543 is about 7281.5206516222. The cubic root of 53020543 is about 375.6771008375.

Adding to 53020543 its reverse (34502035), we get a palindrome (87522578).

The spelling of 53020543 in words is "fifty-three million, twenty thousand, five hundred forty-three".