52540511 has 2 divisors, whose sum is σ = 52540512. Its totient is φ = 52540510.

The previous prime is 52540483. The next prime is 52540517. The reversal of 52540511 is 11504525.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52540511 is a prime.

It is a super-2 number, since 2×52540511² = 5521010592282242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52540517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26270255 + 26270256.

It is an arithmetic number, because the mean of its divisors is an integer number (26270256).

Almost surely, 2^52540511 is an apocalyptic number.

52540511 is a deficient number, since it is larger than the sum of its proper divisors (1).

52540511 is an equidigital number, since it uses as much as digits as its factorization.

52540511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 52540511 is about 7248.4833586068. The cubic root of 52540511 is about 374.5399062527.

The spelling of 52540511 in words is "fifty-two million, five hundred forty thousand, five hundred eleven".