56818141 has 2 divisors, whose sum is σ = 56818142. Its totient is φ = 56818140.

The previous prime is 56818123. The next prime is 56818207. The reversal of 56818141 is 14181865.

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., 48860100 + 7958041 = 6990^2 + 2821^2 .

It is a cyclic number.

It is not a de Polignac number, because 56818141 - 2¹⁵ = 56785373 is a prime.

It is a super-2 number, since 2×56818141² = 6456602293391762, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56818097 and 56818106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56818241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28409070 + 28409071.

It is an arithmetic number, because the mean of its divisors is an integer number (28409071).

Almost surely, 2^56818141 is an apocalyptic number.

It is an amenable number.

56818141 is a deficient number, since it is larger than the sum of its proper divisors (1).

56818141 is an equidigital number, since it uses as much as digits as its factorization.

56818141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7680, while the sum is 34.

The square root of 56818141 is about 7537.7809068717. The cubic root of 56818141 is about 384.4403878536.

The spelling of 56818141 in words is "fifty-six million, eight hundred eighteen thousand, one hundred forty-one".