56054513 has 2 divisors, whose sum is σ = 56054514. Its totient is φ = 56054512.

The previous prime is 56054501. The next prime is 56054521. The reversal of 56054513 is 31545065.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55830784 + 223729 = 7472^2 + 473^2 .

It is a cyclic number.

It is not a de Polignac number, because 56054513 - 2⁴ = 56054497 is a prime.

It is not a weakly prime, because it can be changed into another prime (56054533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28027256 + 28027257.

It is an arithmetic number, because the mean of its divisors is an integer number (28027257).

Almost surely, 2^56054513 is an apocalyptic number.

It is an amenable number.

56054513 is a deficient number, since it is larger than the sum of its proper divisors (1).

56054513 is an equidigital number, since it uses as much as digits as its factorization.

56054513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 56054513 is about 7486.9561906024. The cubic root of 56054513 is about 382.7103386961.

Adding to 56054513 its reverse (31545065), we get a palindrome (87599578).

The spelling of 56054513 in words is "fifty-six million, fifty-four thousand, five hundred thirteen".