54165641 has 2 divisors, whose sum is σ = 54165642. Its totient is φ = 54165640.

The previous prime is 54165619. The next prime is 54165653. The reversal of 54165641 is 14656145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46854025 + 7311616 = 6845^2 + 2704^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54165641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54165598 and 54165607.

It is not a weakly prime, because it can be changed into another prime (54165691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27082820 + 27082821.

It is an arithmetic number, because the mean of its divisors is an integer number (27082821).

Almost surely, 2^54165641 is an apocalyptic number.

It is an amenable number.

54165641 is a deficient number, since it is larger than the sum of its proper divisors (1).

54165641 is an equidigital number, since it uses as much as digits as its factorization.

54165641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 32.

The square root of 54165641 is about 7359.7310412813. The cubic root of 54165641 is about 378.3623919323.

The spelling of 54165641 in words is "fifty-four million, one hundred sixty-five thousand, six hundred forty-one".