56545373 has 2 divisors, whose sum is σ = 56545374. Its totient is φ = 56545372.

The previous prime is 56545337. The next prime is 56545399. The reversal of 56545373 is 37354565.

Together with previous prime (56545337) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44448889 + 12096484 = 6667^2 + 3478^2 .

It is a cyclic number.

It is not a de Polignac number, because 56545373 - 2²⁰ = 55496797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56545673) 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, 28272686 + 28272687.

It is an arithmetic number, because the mean of its divisors is an integer number (28272687).

Almost surely, 2^56545373 is an apocalyptic number.

It is an amenable number.

56545373 is a deficient number, since it is larger than the sum of its proper divisors (1).

56545373 is an equidigital number, since it uses as much as digits as its factorization.

56545373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189000, while the sum is 38.

The square root of 56545373 is about 7519.6657505504. The cubic root of 56545373 is about 383.8242038386.

The spelling of 56545373 in words is "fifty-six million, five hundred forty-five thousand, three hundred seventy-three".