55434188664 has 48 divisors (see below), whose sum is σ = 152966993400. Its totient is φ = 18129418944.

The previous prime is 55434188639. The next prime is 55434188671. The reversal of 55434188664 is 46688143455.

55434188664 is a `hidden beast` number, since 5 + 543 + 4 + 18 + 86 + 6 + 4 = 666.

It is a super-2 number, since 2×55434188664² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 55434188664.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7259574 + ... + 7267205.

Almost surely, 2^55434188664 is an apocalyptic number.

It is an amenable number.

55434188664 is an abundant number, since it is smaller than the sum of its proper divisors (97532804736).

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

55434188664 is a wasteful number, since it uses less digits than its factorization.

55434188664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14526844 (or 14526837 counting only the distinct ones).

The product of its digits is 11059200, while the sum is 54.

The spelling of 55434188664 in words is "fifty-five billion, four hundred thirty-four million, one hundred eighty-eight thousand, six hundred sixty-four".