55366066548 has 72 divisors (see below), whose sum is σ = 159584567688. Its totient is φ = 16033609728.

The previous prime is 55366066541. The next prime is 55366066597. The reversal of 55366066548 is 84566066355.

55366066548 is a `hidden beast` number, since 5 + 5 + 36 + 6 + 0 + 66 + 548 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6872741604 + 48493324944 = 82902^2 + 220212^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55366066494 and 55366066503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55366066541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3471561 + ... + 3487472.

It is an arithmetic number, because the mean of its divisors is an integer number (2216452329).

Almost surely, 2^55366066548 is an apocalyptic number.

It is an amenable number.

55366066548 is an abundant number, since it is smaller than the sum of its proper divisors (104218501140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55366066548 is a wasteful number, since it uses less digits than its factorization.

55366066548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6959073 (or 6959068 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 54.

The spelling of 55366066548 in words is "fifty-five billion, three hundred sixty-six million, sixty-six thousand, five hundred forty-eight".