54386641 has 2 divisors, whose sum is σ = 54386642. Its totient is φ = 54386640.

The previous prime is 54386603. The next prime is 54386653. The reversal of 54386641 is 14668345.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53714241 + 672400 = 7329^2 + 820^2 .

It is a cyclic number.

It is not a de Polignac number, because 54386641 - 2¹³ = 54378449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54386641.

It is not a weakly prime, because it can be changed into another prime (54384641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27193320 + 27193321.

It is an arithmetic number, because the mean of its divisors is an integer number (27193321).

Almost surely, 2^54386641 is an apocalyptic number.

It is an amenable number.

54386641 is a deficient number, since it is larger than the sum of its proper divisors (1).

54386641 is an equidigital number, since it uses as much as digits as its factorization.

54386641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 37.

The square root of 54386641 is about 7374.7298933588. The cubic root of 54386641 is about 378.8762762656.

The spelling of 54386641 in words is "fifty-four million, three hundred eighty-six thousand, six hundred forty-one".