54409417 has 2 divisors, whose sum is σ = 54409418. Its totient is φ = 54409416.

The previous prime is 54409391. The next prime is 54409447. The reversal of 54409417 is 71490445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53743561 + 665856 = 7331^2 + 816^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54409417 is a prime.

It is not a weakly prime, because it can be changed into another prime (54409447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27204708 + 27204709.

It is an arithmetic number, because the mean of its divisors is an integer number (27204709).

Almost surely, 2^54409417 is an apocalyptic number.

It is an amenable number.

54409417 is a deficient number, since it is larger than the sum of its proper divisors (1).

54409417 is an equidigital number, since it uses as much as digits as its factorization.

54409417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 54409417 is about 7376.2739238724. The cubic root of 54409417 is about 378.9291573996.

The spelling of 54409417 in words is "fifty-four million, four hundred nine thousand, four hundred seventeen".