53290543 has 2 divisors, whose sum is σ = 53290544. Its totient is φ = 53290542.

The previous prime is 53290537. The next prime is 53290577. The reversal of 53290543 is 34509235.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53290543 - 2⁹ = 53290031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53290513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26645271 + 26645272.

It is an arithmetic number, because the mean of its divisors is an integer number (26645272).

Almost surely, 2^53290543 is an apocalyptic number.

53290543 is a deficient number, since it is larger than the sum of its proper divisors (1).

53290543 is an equidigital number, since it uses as much as digits as its factorization.

53290543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 53290543 is about 7300.0371916861. The cubic root of 53290543 is about 376.3137165044.

Adding to 53290543 its reverse (34509235), we get a palindrome (87799778).

The spelling of 53290543 in words is "fifty-three million, two hundred ninety thousand, five hundred forty-three".