56064973 has 2 divisors, whose sum is σ = 56064974. Its totient is φ = 56064972.

The previous prime is 56064959. The next prime is 56064977. The reversal of 56064973 is 37946065.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28323684 + 27741289 = 5322^2 + 5267^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56064973 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56064977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28032486 + 28032487.

It is an arithmetic number, because the mean of its divisors is an integer number (28032487).

Almost surely, 2^56064973 is an apocalyptic number.

It is an amenable number.

56064973 is a deficient number, since it is larger than the sum of its proper divisors (1).

56064973 is an equidigital number, since it uses as much as digits as its factorization.

56064973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 56064973 is about 7487.6547062481. The cubic root of 56064973 is about 382.7341423172.

The spelling of 56064973 in words is "fifty-six million, sixty-four thousand, nine hundred seventy-three".