56667900701 has 2 divisors, whose sum is σ = 56667900702. Its totient is φ = 56667900700.

The previous prime is 56667900677. The next prime is 56667900763. The reversal of 56667900701 is 10700976665.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54788764900 + 1879135801 = 234070^2 + 43349^2 .

It is a cyclic number.

It is not a de Polignac number, because 56667900701 - 2¹⁸ = 56667638557 is a prime.

It is a super-2 number, since 2×56667900701² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56667902701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28333950350 + 28333950351.

It is an arithmetic number, because the mean of its divisors is an integer number (28333950351).

Almost surely, 2^56667900701 is an apocalyptic number.

It is an amenable number.

56667900701 is a deficient number, since it is larger than the sum of its proper divisors (1).

56667900701 is an equidigital number, since it uses as much as digits as its factorization.

56667900701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 476280, while the sum is 47.

The spelling of 56667900701 in words is "fifty-six billion, six hundred sixty-seven million, nine hundred thousand, seven hundred one".