54047162154569 has 2 divisors, whose sum is σ = 54047162154570. Its totient is φ = 54047162154568.

The previous prime is 54047162154527. The next prime is 54047162154581. The reversal of 54047162154569 is 96545126174045.

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., 54003215321344 + 43946833225 = 7348688^2 + 209635^2 .

It is a cyclic number.

It is not a de Polignac number, because 54047162154569 - 2⁸ = 54047162154313 is a prime.

It is a super-2 number, since 2×54047162154569² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54047162154169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27023581077284 + 27023581077285.

It is an arithmetic number, because the mean of its divisors is an integer number (27023581077285).

Almost surely, 2^{54047162154569} is an apocalyptic number.

It is an amenable number.

54047162154569 is a deficient number, since it is larger than the sum of its proper divisors (1).

54047162154569 is an equidigital number, since it uses as much as digits as its factorization.

54047162154569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288000, while the sum is 59.

The spelling of 54047162154569 in words is "fifty-four trillion, forty-seven billion, one hundred sixty-two million, one hundred fifty-four thousand, five hundred sixty-nine".