54655999 has 2 divisors, whose sum is σ = 54656000. Its totient is φ = 54655998.

The previous prime is 54655973. The next prime is 54656009. The reversal of 54655999 is 99955645.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54655999 - 2¹³ = 54647807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54655949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27327999 + 27328000.

It is an arithmetic number, because the mean of its divisors is an integer number (27328000).

Almost surely, 2^54655999 is an apocalyptic number.

54655999 is a deficient number, since it is larger than the sum of its proper divisors (1).

54655999 is an equidigital number, since it uses as much as digits as its factorization.

54655999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2187000, while the sum is 52.

The square root of 54655999 is about 7392.9695657428. The cubic root of 54655999 is about 379.5007270376.

The spelling of 54655999 in words is "fifty-four million, six hundred fifty-five thousand, nine hundred ninety-nine".