56104261 has 2 divisors, whose sum is σ = 56104262. Its totient is φ = 56104260.

The previous prime is 56104249. The next prime is 56104309. The reversal of 56104261 is 16240165.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46376100 + 9728161 = 6810^2 + 3119^2 .

It is a cyclic number.

It is not a de Polignac number, because 56104261 - 2⁷ = 56104133 is a prime.

It is a super-2 number, since 2×56104261² = 6295376204712242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56104211) 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, 28052130 + 28052131.

It is an arithmetic number, because the mean of its divisors is an integer number (28052131).

Almost surely, 2^56104261 is an apocalyptic number.

It is an amenable number.

56104261 is a deficient number, since it is larger than the sum of its proper divisors (1).

56104261 is an equidigital number, since it uses as much as digits as its factorization.

56104261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 56104261 is about 7490.2777652100. The cubic root of 56104261 is about 382.8235228291.

It can be divided in two parts, 56104 and 261, that added together give a palindrome (56365).

The spelling of 56104261 in words is "fifty-six million, one hundred four thousand, two hundred sixty-one".