53900513 has 2 divisors, whose sum is σ = 53900514. Its totient is φ = 53900512.

The previous prime is 53900491. The next prime is 53900519. The reversal of 53900513 is 31500935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38588944 + 15311569 = 6212^2 + 3913^2 .

It is a cyclic number.

It is not a de Polignac number, because 53900513 - 2⁸ = 53900257 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (53900519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26950256 + 26950257.

It is an arithmetic number, because the mean of its divisors is an integer number (26950257).

Almost surely, 2^53900513 is an apocalyptic number.

It is an amenable number.

53900513 is a deficient number, since it is larger than the sum of its proper divisors (1).

53900513 is an equidigital number, since it uses as much as digits as its factorization.

53900513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2025, while the sum is 26.

The square root of 53900513 is about 7341.6968747014. The cubic root of 53900513 is about 377.7440504844.

The spelling of 53900513 in words is "fifty-three million, nine hundred thousand, five hundred thirteen".