56971037 has 2 divisors, whose sum is σ = 56971038. Its totient is φ = 56971036.

The previous prime is 56971027. The next prime is 56971043. The reversal of 56971037 is 73017965.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55741156 + 1229881 = 7466^2 + 1109^2 .

It is a cyclic number.

It is not a de Polignac number, because 56971037 - 2¹⁰ = 56970013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56971027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28485518 + 28485519.

It is an arithmetic number, because the mean of its divisors is an integer number (28485519).

Almost surely, 2^56971037 is an apocalyptic number.

It is an amenable number.

56971037 is a deficient number, since it is larger than the sum of its proper divisors (1).

56971037 is an equidigital number, since it uses as much as digits as its factorization.

56971037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 56971037 is about 7547.9160700156. The cubic root of 56971037 is about 384.7849183775.

The spelling of 56971037 in words is "fifty-six million, nine hundred seventy-one thousand, thirty-seven".