52345511 has 2 divisors, whose sum is σ = 52345512. Its totient is φ = 52345510.

The previous prime is 52345481. The next prime is 52345529. The reversal of 52345511 is 11554325.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52345511 - 2¹⁴ = 52329127 is a prime.

It is a super-2 number, since 2×52345511² = 5480105043702242, 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 (52345571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26172755 + 26172756.

It is an arithmetic number, because the mean of its divisors is an integer number (26172756).

Almost surely, 2^52345511 is an apocalyptic number.

52345511 is a deficient number, since it is larger than the sum of its proper divisors (1).

52345511 is an equidigital number, since it uses as much as digits as its factorization.

52345511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3000, while the sum is 26.

The square root of 52345511 is about 7235.0197650041. The cubic root of 52345511 is about 374.0759732988.

Adding to 52345511 its reverse (11554325), we get a palindrome (63899836).

The spelling of 52345511 in words is "fifty-two million, three hundred forty-five thousand, five hundred eleven".