54655389 has 6 divisors (see below), whose sum is σ = 78946686. Its totient is φ = 36436920.

The previous prime is 54655379. The next prime is 54655397. The reversal of 54655389 is 98355645.

54655389 is a `hidden beast` number, since 54 + 65 + 538 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 54243225 + 412164 = 7365^2 + 642^2 .

It is not a de Polignac number, because 54655389 - 2⁴ = 54655373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54655369) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3036402 + ... + 3036419.

It is an arithmetic number, because the mean of its divisors is an integer number (13157781).

Almost surely, 2^54655389 is an apocalyptic number.

It is an amenable number.

54655389 is a deficient number, since it is larger than the sum of its proper divisors (24291297).

54655389 is a wasteful number, since it uses less digits than its factorization.

54655389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6072827 (or 6072824 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 54655389 is about 7392.9283102165. The cubic root of 54655389 is about 379.4993151992.

The spelling of 54655389 in words is "fifty-four million, six hundred fifty-five thousand, three hundred eighty-nine".