56664295620485 has 16 divisors (see below), whose sum is σ = 77711353610112. Its totient is φ = 38855357188800.

The previous prime is 56664295620479. The next prime is 56664295620529. The reversal of 56664295620485 is 58402659246665.

It is a happy number.

It is not a de Polignac number, because 56664295620485 - 2¹⁰ = 56664295619461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5642615 + ... + 12048555.

It is an arithmetic number, because the mean of its divisors is an integer number (4856959600632).

Almost surely, 2^{56664295620485} is an apocalyptic number.

It is an amenable number.

56664295620485 is a deficient number, since it is larger than the sum of its proper divisors (21047057989627).

56664295620485 is a wasteful number, since it uses less digits than its factorization.

56664295620485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6658684.

The product of its (nonzero) digits is 746496000, while the sum is 68.

The spelling of 56664295620485 in words is "fifty-six trillion, six hundred sixty-four billion, two hundred ninety-five million, six hundred twenty thousand, four hundred eighty-five".