55946294581 has 16 divisors (see below), whose sum is σ = 57312763200. Its totient is φ = 54598527360.

The previous prime is 55946294557. The next prime is 55946294597. The reversal of 55946294581 is 18549264955.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55946294581 is a prime.

It is a super-3 number, since 3×55946294581³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55946294281) 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 15 ways as a sum of consecutive naturals, for example, 3329106 + ... + 3345868.

It is an arithmetic number, because the mean of its divisors is an integer number (3582047700).

Almost surely, 2^55946294581 is an apocalyptic number.

It is an amenable number.

55946294581 is a deficient number, since it is larger than the sum of its proper divisors (1366468619).

55946294581 is a wasteful number, since it uses less digits than its factorization.

55946294581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17316.

The product of its digits is 15552000, while the sum is 58.

The spelling of 55946294581 in words is "fifty-five billion, nine hundred forty-six million, two hundred ninety-four thousand, five hundred eighty-one".