55066555566055 has 8 divisors (see below), whose sum is σ = 72087127286544. Its totient is φ = 40048404048000.

The previous prime is 55066555566037. The next prime is 55066555566157.

55066555566055 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55066555566055 - 2⁷ = 55066555565927 is a prime.

It is a super-3 number, since 3×55066555566055³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500605050546 + ... + 500605050655.

It is an arithmetic number, because the mean of its divisors is an integer number (9010890910818).

Almost surely, 2^{55066555566055} is an apocalyptic number.

55066555566055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55066555566055 is a deficient number, since it is larger than the sum of its proper divisors (17020571720489).

55066555566055 is a wasteful number, since it uses less digits than its factorization.

55066555566055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001210101217.

The product of its (nonzero) digits is 506250000, while the sum is 64.

The spelling of 55066555566055 in words is "fifty-five trillion, sixty-six billion, five hundred fifty-five million, five hundred sixty-six thousand, fifty-five".