56995355169 has 9 divisors (see below), whose sum is σ = 82327658673. Its totient is φ = 37996425972.

The previous prime is 56995355159. The next prime is 56995355177. The reversal of 56995355169 is 96155359965.

The square root of 56995355169 is 238737.

It is a perfect power (a square), and thus also a powerful number.

56995355169 is a `hidden beast` number, since 5 + 6 + 99 + 535 + 5 + 1 + 6 + 9 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 56995355169 - 2¹³ = 56995346977 is a prime.

It is a super-2 number, since 2×56995355169² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56995355119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 676422 + ... + 756000.

Almost surely, 2^56995355169 is an apocalyptic number.

56995355169 is the 238737-th square number.

56995355169 is the 119369-th centered octagonal number.

It is an amenable number.

56995355169 is a deficient number, since it is larger than the sum of its proper divisors (25332303504).

56995355169 is an frugal number, since it uses more digits than its factorization.

56995355169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159164 (or 79582 counting only the distinct ones).

The product of its digits is 49207500, while the sum is 63.

It can be divided in two parts, 56995 and 355169, that added together give a square (412164 = 642²).

The spelling of 56995355169 in words is "fifty-six billion, nine hundred ninety-five million, three hundred fifty-five thousand, one hundred sixty-nine".