54056002409 has 2 divisors, whose sum is σ = 54056002410. Its totient is φ = 54056002408.

The previous prime is 54056002393. The next prime is 54056002423. The reversal of 54056002409 is 90420065045.

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., 52102627600 + 1953374809 = 228260^2 + 44197^2 .

It is a cyclic number.

It is not a de Polignac number, because 54056002409 - 2⁴ = 54056002393 is a prime.

It is not a weakly prime, because it can be changed into another prime (54056007409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27028001204 + 27028001205.

It is an arithmetic number, because the mean of its divisors is an integer number (27028001205).

Almost surely, 2^54056002409 is an apocalyptic number.

It is an amenable number.

54056002409 is a deficient number, since it is larger than the sum of its proper divisors (1).

54056002409 is an equidigital number, since it uses as much as digits as its factorization.

54056002409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 54056002409 in words is "fifty-four billion, fifty-six million, two thousand, four hundred nine".