52136443 has 2 divisors, whose sum is σ = 52136444. Its totient is φ = 52136442.

The previous prime is 52136429. The next prime is 52136473. The reversal of 52136443 is 34463125.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52136443 - 2²¹ = 50039291 is a prime.

It is not a weakly prime, because it can be changed into another prime (52136473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26068221 + 26068222.

It is an arithmetic number, because the mean of its divisors is an integer number (26068222).

Almost surely, 2^52136443 is an apocalyptic number.

52136443 is a deficient number, since it is larger than the sum of its proper divisors (1).

52136443 is an equidigital number, since it uses as much as digits as its factorization.

52136443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 28.

The square root of 52136443 is about 7220.5569729765. The cubic root of 52136443 is about 373.5772889115.

Adding to 52136443 its reverse (34463125), we get a palindrome (86599568).

The spelling of 52136443 in words is "fifty-two million, one hundred thirty-six thousand, four hundred forty-three".