55326647555775 has 36 divisors (see below), whose sum is σ = 104311761247720. Its totient is φ = 27954516657600.

The previous prime is 55326647555743. The next prime is 55326647555819. The reversal of 55326647555775 is 57755574662355.

55326647555775 is a `hidden beast` number, since 5 + 5 + 3 + 2 + 6 + 6 + 47 + 5 + 5 + 577 + 5 = 666.

It is not a de Polignac number, because 55326647555775 - 2⁵ = 55326647555743 is a prime.

It is a super-2 number, since 2×55326647555775² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6470948656 + ... + 6470957205.

Almost surely, 2^{55326647555775} is an apocalyptic number.

55326647555775 is a deficient number, since it is larger than the sum of its proper divisors (48985113691945).

55326647555775 is a wasteful number, since it uses less digits than its factorization.

55326647555775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12941905896 (or 12941905888 counting only the distinct ones).

The product of its digits is 4630500000, while the sum is 72.

The spelling of 55326647555775 in words is "fifty-five trillion, three hundred twenty-six billion, six hundred forty-seven million, five hundred fifty-five thousand, seven hundred seventy-five".