55527778027775 has 12 divisors (see below), whose sum is σ = 71228735953800. Its totient is φ = 42890421648480.

The previous prime is 55527778027769. The next prime is 55527778027793. The reversal of 55527778027775 is 57772087772555.

It is not a de Polignac number, because 55527778027775 - 2⁴² = 51129731516671 is a prime.

It is a hoax number, since the sum of its digits (74) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38295018605 + ... + 38295020054.

It is an arithmetic number, because the mean of its divisors is an integer number (5935727996150).

Almost surely, 2^{55527778027775} is an apocalyptic number.

55527778027775 is a deficient number, since it is larger than the sum of its proper divisors (15700957926025).

55527778027775 is a wasteful number, since it uses less digits than its factorization.

55527778027775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76590038698 (or 76590038693 counting only the distinct ones).

The product of its (nonzero) digits is 2352980000, while the sum is 74.

The spelling of 55527778027775 in words is "fifty-five trillion, five hundred twenty-seven billion, seven hundred seventy-eight million, twenty-seven thousand, seven hundred seventy-five".