56972693 has 2 divisors, whose sum is σ = 56972694. Its totient is φ = 56972692.

The previous prime is 56972653. The next prime is 56972737. The reversal of 56972693 is 39627965.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44063044 + 12909649 = 6638^2 + 3593^2 .

It is a cyclic number.

It is not a de Polignac number, because 56972693 - 2⁸ = 56972437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56972603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28486346 + 28486347.

It is an arithmetic number, because the mean of its divisors is an integer number (28486347).

Almost surely, 2^56972693 is an apocalyptic number.

It is an amenable number.

56972693 is a deficient number, since it is larger than the sum of its proper divisors (1).

56972693 is an equidigital number, since it uses as much as digits as its factorization.

56972693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 612360, while the sum is 47.

The square root of 56972693 is about 7548.0257683715. The cubic root of 56972693 is about 384.7886465740.

The spelling of 56972693 in words is "fifty-six million, nine hundred seventy-two thousand, six hundred ninety-three".