56845037 has 2 divisors, whose sum is σ = 56845038. Its totient is φ = 56845036.

The previous prime is 56845031. The next prime is 56845049. The reversal of 56845037 is 73054865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39112516 + 17732521 = 6254^2 + 4211^2 .

It is a cyclic number.

It is not a de Polignac number, because 56845037 - 2⁶ = 56844973 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56845031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28422518 + 28422519.

It is an arithmetic number, because the mean of its divisors is an integer number (28422519).

Almost surely, 2^56845037 is an apocalyptic number.

It is an amenable number.

56845037 is a deficient number, since it is larger than the sum of its proper divisors (1).

56845037 is an equidigital number, since it uses as much as digits as its factorization.

56845037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 56845037 is about 7539.5647752374. The cubic root of 56845037 is about 384.5010391256.

The spelling of 56845037 in words is "fifty-six million, eight hundred forty-five thousand, thirty-seven".