53500511 has 2 divisors, whose sum is σ = 53500512. Its totient is φ = 53500510.

The previous prime is 53500501. The next prime is 53500519. The reversal of 53500511 is 11500535.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53500511 - 2²² = 49306207 is a prime.

It is a super-2 number, since 2×53500511² = 5724609354522242, 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 (53500519) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26750255 + 26750256.

It is an arithmetic number, because the mean of its divisors is an integer number (26750256).

Almost surely, 2^53500511 is an apocalyptic number.

53500511 is a deficient number, since it is larger than the sum of its proper divisors (1).

53500511 is an equidigital number, since it uses as much as digits as its factorization.

53500511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 375, while the sum is 20.

The square root of 53500511 is about 7314.4043503214. The cubic root of 53500511 is about 376.8073018413.

The spelling of 53500511 in words is "fifty-three million, five hundred thousand, five hundred eleven".