55468481 has 2 divisors, whose sum is σ = 55468482. Its totient is φ = 55468480.

The previous prime is 55468463. The next prime is 55468489. The reversal of 55468481 is 18486455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40960000 + 14508481 = 6400^2 + 3809^2 .

It is a cyclic number.

It is not a de Polignac number, because 55468481 - 2⁶ = 55468417 is a prime.

It is a super-2 number, since 2×55468481² = 6153504768894722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (55468489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27734240 + 27734241.

It is an arithmetic number, because the mean of its divisors is an integer number (27734241).

Almost surely, 2^55468481 is an apocalyptic number.

It is an amenable number.

55468481 is a deficient number, since it is larger than the sum of its proper divisors (1).

55468481 is an equidigital number, since it uses as much as digits as its factorization.

55468481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 153600, while the sum is 41.

The square root of 55468481 is about 7447.7164956784. The cubic root of 55468481 is about 381.3719589755.

The spelling of 55468481 in words is "fifty-five million, four hundred sixty-eight thousand, four hundred eighty-one".