52220543 has 2 divisors, whose sum is σ = 52220544. Its totient is φ = 52220542.

The previous prime is 52220479. The next prime is 52220551. The reversal of 52220543 is 34502225.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52220543 - 2⁶ = 52220479 is a prime.

It is a super-2 number, since 2×52220543² = 5453970222429698, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52220573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26110271 + 26110272.

It is an arithmetic number, because the mean of its divisors is an integer number (26110272).

Almost surely, 2^52220543 is an apocalyptic number.

52220543 is a deficient number, since it is larger than the sum of its proper divisors (1).

52220543 is an equidigital number, since it uses as much as digits as its factorization.

52220543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 52220543 is about 7226.3782768410. The cubic root of 52220543 is about 373.7780504146.

Adding to 52220543 its reverse (34502225), we get a palindrome (86722768).

The spelling of 52220543 in words is "fifty-two million, two hundred twenty thousand, five hundred forty-three".