56994037 has 2 divisors, whose sum is σ = 56994038. Its totient is φ = 56994036.

The previous prime is 56994011. The next prime is 56994073. The reversal of 56994037 is 73049965.

Together with next prime (56994073) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38452401 + 18541636 = 6201^2 + 4306^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56994037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56993984 and 56994002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56994937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28497018 + 28497019.

It is an arithmetic number, because the mean of its divisors is an integer number (28497019).

Almost surely, 2^56994037 is an apocalyptic number.

It is an amenable number.

56994037 is a deficient number, since it is larger than the sum of its proper divisors (1).

56994037 is an equidigital number, since it uses as much as digits as its factorization.

56994037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 56994037 is about 7549.4395156197. The cubic root of 56994037 is about 384.8366924186.

The spelling of 56994037 in words is "fifty-six million, nine hundred ninety-four thousand, thirty-seven".