55774552655 has 8 divisors (see below), whose sum is σ = 67157893152. Its totient is φ = 44467355488.

The previous prime is 55774552643. The next prime is 55774552657. The reversal of 55774552655 is 55625547755.

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 55774552655 - 2¹² = 55774548559 is a prime.

It is a super-2 number, since 2×55774552655² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55774552655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55774552657) by changing a digit.

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, 19034219 + ... + 19037148.

It is an arithmetic number, because the mean of its divisors is an integer number (8394736644).

Almost surely, 2^55774552655 is an apocalyptic number.

55774552655 is a deficient number, since it is larger than the sum of its proper divisors (11383340497).

55774552655 is a wasteful number, since it uses less digits than its factorization.

55774552655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38071665.

The product of its digits is 36750000, while the sum is 56.

The spelling of 55774552655 in words is "fifty-five billion, seven hundred seventy-four million, five hundred fifty-two thousand, six hundred fifty-five".