56669941 has 2 divisors, whose sum is σ = 56669942. Its totient is φ = 56669940.

The previous prime is 56669911. The next prime is 56669971. The reversal of 56669941 is 14996665.

It is a balanced prime because it is at equal distance from previous prime (56669911) and next prime (56669971).

It can be written as a sum of positive squares in only one way, i.e., 52867441 + 3802500 = 7271^2 + 1950^2 .

It is a cyclic number.

It is not a de Polignac number, because 56669941 - 2¹³ = 56661749 is a prime.

It is a super-2 number, since 2×56669941² = 6422964425886962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56669891 and 56669900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56669911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28334970 + 28334971.

It is an arithmetic number, because the mean of its divisors is an integer number (28334971).

Almost surely, 2^56669941 is an apocalyptic number.

It is an amenable number.

56669941 is a deficient number, since it is larger than the sum of its proper divisors (1).

56669941 is an equidigital number, since it uses as much as digits as its factorization.

56669941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 46.

The square root of 56669941 is about 7527.9440088247. The cubic root of 56669941 is about 384.1058487320.

It can be divided in two parts, 566 and 69941, that added together give a palindrome (70507).

The spelling of 56669941 in words is "fifty-six million, six hundred sixty-nine thousand, nine hundred forty-one".