55696446081 has 48 divisors (see below), whose sum is σ = 87560212480. Its totient is φ = 33985980000.

The previous prime is 55696445983. The next prime is 55696446107. The reversal of 55696446081 is 18064469655.

55696446081 is a `hidden beast` number, since 556 + 9 + 6 + 4 + 4 + 6 + 0 + 81 = 666.

It is not a de Polignac number, because 55696446081 - 2⁷ = 55696445953 is a prime.

It is a super-2 number, since 2×55696446081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55696444081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3336606 + ... + 3353256.

Almost surely, 2^55696446081 is an apocalyptic number.

It is an amenable number.

55696446081 is a deficient number, since it is larger than the sum of its proper divisors (31863766399).

55696446081 is a wasteful number, since it uses less digits than its factorization.

55696446081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17338 (or 17335 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The spelling of 55696446081 in words is "fifty-five billion, six hundred ninety-six million, four hundred forty-six thousand, eighty-one".