54163992457 has 2 divisors, whose sum is σ = 54163992458. Its totient is φ = 54163992456.

The previous prime is 54163992431. The next prime is 54163992479. The reversal of 54163992457 is 75429936145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52957055376 + 1206937081 = 230124^2 + 34741^2 .

It is a cyclic number.

It is not a de Polignac number, because 54163992457 - 2²³ = 54155603849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54163992398 and 54163992407.

It is not a weakly prime, because it can be changed into another prime (54163992497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27081996228 + 27081996229.

It is an arithmetic number, because the mean of its divisors is an integer number (27081996229).

Almost surely, 2^54163992457 is an apocalyptic number.

It is an amenable number.

54163992457 is a deficient number, since it is larger than the sum of its proper divisors (1).

54163992457 is an equidigital number, since it uses as much as digits as its factorization.

54163992457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8164800, while the sum is 55.

The spelling of 54163992457 in words is "fifty-four billion, one hundred sixty-three million, nine hundred ninety-two thousand, four hundred fifty-seven".