54163639 has 2 divisors, whose sum is σ = 54163640. Its totient is φ = 54163638.

The previous prime is 54163631. The next prime is 54163657. The reversal of 54163639 is 93636145.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54163639 - 2³ = 54163631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54163598 and 54163607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54163631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27081819 + 27081820.

It is an arithmetic number, because the mean of its divisors is an integer number (27081820).

Almost surely, 2^54163639 is an apocalyptic number.

54163639 is a deficient number, since it is larger than the sum of its proper divisors (1).

54163639 is an equidigital number, since it uses as much as digits as its factorization.

54163639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 37.

The square root of 54163639 is about 7359.5950296195. The cubic root of 54163639 is about 378.3577303619.

The spelling of 54163639 in words is "fifty-four million, one hundred sixty-three thousand, six hundred thirty-nine".