53126533 has 2 divisors, whose sum is σ = 53126534. Its totient is φ = 53126532.

The previous prime is 53126501. The next prime is 53126537. The reversal of 53126533 is 33562135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43652449 + 9474084 = 6607^2 + 3078^2 .

It is a cyclic number.

It is not a de Polignac number, because 53126533 - 2⁵ = 53126501 is a prime.

It is equal to p_3177154 and since 53126533 and 3177154 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53126537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26563266 + 26563267.

It is an arithmetic number, because the mean of its divisors is an integer number (26563267).

Almost surely, 2^53126533 is an apocalyptic number.

It is an amenable number.

53126533 is a deficient number, since it is larger than the sum of its proper divisors (1).

53126533 is an equidigital number, since it uses as much as digits as its factorization.

53126533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8100, while the sum is 28.

The square root of 53126533 is about 7288.7950307304. The cubic root of 53126533 is about 375.9272649597.

Adding to 53126533 its reverse (33562135), we get a palindrome (86688668).

The spelling of 53126533 in words is "fifty-three million, one hundred twenty-six thousand, five hundred thirty-three".