54365513 has 2 divisors, whose sum is σ = 54365514. Its totient is φ = 54365512.

The previous prime is 54365501. The next prime is 54365527. The reversal of 54365513 is 31556345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39287824 + 15077689 = 6268^2 + 3883^2 .

It is a cyclic number.

It is not a de Polignac number, because 54365513 - 2⁴ = 54365497 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 54365513.

It is not a weakly prime, because it can be changed into another prime (54365533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27182756 + 27182757.

It is an arithmetic number, because the mean of its divisors is an integer number (27182757).

Almost surely, 2^54365513 is an apocalyptic number.

It is an amenable number.

54365513 is a deficient number, since it is larger than the sum of its proper divisors (1).

54365513 is an equidigital number, since it uses as much as digits as its factorization.

54365513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27000, while the sum is 32.

The square root of 54365513 is about 7373.2972949692. The cubic root of 54365513 is about 378.8272082431.

The spelling of 54365513 in words is "fifty-four million, three hundred sixty-five thousand, five hundred thirteen".