55646322497775 has 84 divisors (see below), whose sum is σ = 103906609381480. Its totient is φ = 29548438027200.

The previous prime is 55646322497771. The next prime is 55646322497791. The reversal of 55646322497775 is 57779422364655.

55646322497775 is a `hidden beast` number, since 5 + 5 + 6 + 4 + 63 + 2 + 2 + 497 + 7 + 75 = 666.

55646322497775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55646322497775 - 2² = 55646322497771 is a prime.

It is a super-2 number, since 2×55646322497775² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55646322497771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 2493061 + ... + 10840110.

Almost surely, 2^{55646322497775} is an apocalyptic number.

55646322497775 is a deficient number, since it is larger than the sum of its proper divisors (48260286883705).

55646322497775 is a wasteful number, since it uses less digits than its factorization.

55646322497775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13333428 (or 13333408 counting only the distinct ones).

The product of its digits is 2667168000, while the sum is 72.

The spelling of 55646322497775 in words is "fifty-five trillion, six hundred forty-six billion, three hundred twenty-two million, four hundred ninety-seven thousand, seven hundred seventy-five".