56694037 has 2 divisors, whose sum is σ = 56694038. Its totient is φ = 56694036.

The previous prime is 56694023. The next prime is 56694059. The reversal of 56694037 is 73049665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56640676 + 53361 = 7526^2 + 231^2 .

It is a cyclic number.

It is not a de Polignac number, because 56694037 - 2¹¹ = 56691989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56694017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28347018 + 28347019.

It is an arithmetic number, because the mean of its divisors is an integer number (28347019).

Almost surely, 2^56694037 is an apocalyptic number.

It is an amenable number.

56694037 is a deficient number, since it is larger than the sum of its proper divisors (1).

56694037 is an equidigital number, since it uses as much as digits as its factorization.

56694037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 56694037 is about 7529.5442757182. The cubic root of 56694037 is about 384.1602814870.

The spelling of 56694037 in words is "fifty-six million, six hundred ninety-four thousand, thirty-seven".