54207955409 has 2 divisors, whose sum is σ = 54207955410. Its totient is φ = 54207955408.

The previous prime is 54207955393. The next prime is 54207955433. The reversal of 54207955409 is 90455970245.

54207955409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49219641025 + 4988314384 = 221855^2 + 70628^2 .

It is a cyclic number.

It is not a de Polignac number, because 54207955409 - 2⁴ = 54207955393 is a prime.

It is not a weakly prime, because it can be changed into another prime (54207955499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27103977704 + 27103977705.

It is an arithmetic number, because the mean of its divisors is an integer number (27103977705).

Almost surely, 2^54207955409 is an apocalyptic number.

It is an amenable number.

54207955409 is a deficient number, since it is larger than the sum of its proper divisors (1).

54207955409 is an equidigital number, since it uses as much as digits as its factorization.

54207955409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268000, while the sum is 50.

The spelling of 54207955409 in words is "fifty-four billion, two hundred seven million, nine hundred fifty-five thousand, four hundred nine".