55506860555 has 8 divisors (see below), whose sum is σ = 66730006032. Its totient is φ = 44324306208.

The previous prime is 55506860501. The next prime is 55506860567.

55506860555 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 55506860555 - 2⁶ = 55506860491 is a prime.

It is a Duffinian 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, 10144772 + ... + 10150241.

It is an arithmetic number, because the mean of its divisors is an integer number (8341250754).

Almost surely, 2^55506860555 is an apocalyptic number.

55506860555 is a deficient number, since it is larger than the sum of its proper divisors (11223145477).

55506860555 is a wasteful number, since it uses less digits than its factorization.

55506860555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20295565.

The product of its (nonzero) digits is 4500000, while the sum is 50.

The spelling of 55506860555 in words is "fifty-five billion, five hundred six million, eight hundred sixty thousand, five hundred fifty-five".