55726841 has 2 divisors, whose sum is σ = 55726842. Its totient is φ = 55726840.

The previous prime is 55726789. The next prime is 55726859. The reversal of 55726841 is 14862755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31125241 + 24601600 = 5579^2 + 4960^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55726841 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 55726795 and 55726804.

It is not a weakly prime, because it can be changed into another prime (55776841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27863420 + 27863421.

It is an arithmetic number, because the mean of its divisors is an integer number (27863421).

Almost surely, 2^55726841 is an apocalyptic number.

It is an amenable number.

55726841 is a deficient number, since it is larger than the sum of its proper divisors (1).

55726841 is an equidigital number, since it uses as much as digits as its factorization.

55726841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67200, while the sum is 38.

The square root of 55726841 is about 7465.0412590956. The cubic root of 55726841 is about 381.9631576357.

The spelling of 55726841 in words is "fifty-five million, seven hundred twenty-six thousand, eight hundred forty-one".