56956973 has 2 divisors, whose sum is σ = 56956974. Its totient is φ = 56956972.

The previous prime is 56956967. The next prime is 56956979. The reversal of 56956973 is 37965965.

It is a balanced prime because it is at equal distance from previous prime (56956967) and next prime (56956979).

It can be written as a sum of positive squares in only one way, i.e., 53904964 + 3052009 = 7342^2 + 1747^2 .

It is a cyclic number.

It is not a de Polignac number, because 56956973 - 2⁶ = 56956909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56956979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28478486 + 28478487.

It is an arithmetic number, because the mean of its divisors is an integer number (28478487).

Almost surely, 2^56956973 is an apocalyptic number.

It is an amenable number.

56956973 is a deficient number, since it is larger than the sum of its proper divisors (1).

56956973 is an equidigital number, since it uses as much as digits as its factorization.

56956973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1530900, while the sum is 50.

The square root of 56956973 is about 7546.9843646320. The cubic root of 56956973 is about 384.7532528112.

The spelling of 56956973 in words is "fifty-six million, nine hundred fifty-six thousand, nine hundred seventy-three".