55664246655 has 64 divisors (see below), whose sum is σ = 100501171200. Its totient is φ = 29228169600.

The previous prime is 55664246653. The next prime is 55664246683.

It is a happy number.

55664246655 is a `hidden beast` number, since 5 + 566 + 4 + 24 + 6 + 6 + 55 = 666.

55664246655 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55664246655 - 2¹ = 55664246653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55664246653) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2429262 + ... + 2452068.

It is an arithmetic number, because the mean of its divisors is an integer number (1570330800).

Almost surely, 2^55664246655 is an apocalyptic number.

55664246655 is a deficient number, since it is larger than the sum of its proper divisors (44836924545).

55664246655 is a wasteful number, since it uses less digits than its factorization.

55664246655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23101 (or 23095 counting only the distinct ones).

The product of its digits is 25920000, while the sum is 54.

The spelling of 55664246655 in words is "fifty-five billion, six hundred sixty-four million, two hundred forty-six thousand, six hundred fifty-five".