56005373 has 2 divisors, whose sum is σ = 56005374. Its totient is φ = 56005372.

The previous prime is 56005363. The next prime is 56005441. The reversal of 56005373 is 37350065.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51523684 + 4481689 = 7178^2 + 2117^2 .

It is a cyclic number.

It is not a de Polignac number, because 56005373 - 2⁴ = 56005357 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56005343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28002686 + 28002687.

It is an arithmetic number, because the mean of its divisors is an integer number (28002687).

Almost surely, 2^56005373 is an apocalyptic number.

It is an amenable number.

56005373 is a deficient number, since it is larger than the sum of its proper divisors (1).

56005373 is an equidigital number, since it uses as much as digits as its factorization.

56005373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9450, while the sum is 29.

The square root of 56005373 is about 7483.6737636003. The cubic root of 56005373 is about 382.5984720908.

The spelling of 56005373 in words is "fifty-six million, five thousand, three hundred seventy-three".