55510601555 has 8 divisors (see below), whose sum is σ = 66614277744. Its totient is φ = 44407444000.

The previous prime is 55510601519. The next prime is 55510601579.

It is a happy number.

55510601555 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 55510601555 - 2²⁴ = 55493824339 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 167900 + ... + 373110.

It is an arithmetic number, because the mean of its divisors is an integer number (8326784718).

Almost surely, 2^55510601555 is an apocalyptic number.

55510601555 is a deficient number, since it is larger than the sum of its proper divisors (11103676189).

55510601555 is a wasteful number, since it uses less digits than its factorization.

55510601555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259317.

The product of its (nonzero) digits is 93750, while the sum is 38.

The spelling of 55510601555 in words is "fifty-five billion, five hundred ten million, six hundred one thousand, five hundred fifty-five".