55645547685 has 64 divisors (see below), whose sum is σ = 109953704448. Its totient is φ = 23400889344.

The previous prime is 55645547611. The next prime is 55645547693. The reversal of 55645547685 is 58674554655.

It is not a de Polignac number, because 55645547685 - 2⁹ = 55645547173 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 330379 + ... + 469511.

It is an arithmetic number, because the mean of its divisors is an integer number (1718026632).

Almost surely, 2^55645547685 is an apocalyptic number.

It is an amenable number.

55645547685 is a deficient number, since it is larger than the sum of its proper divisors (54308156763).

55645547685 is a wasteful number, since it uses less digits than its factorization.

55645547685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139454.

The product of its digits is 100800000, while the sum is 60.

The spelling of 55645547685 in words is "fifty-five billion, six hundred forty-five million, five hundred forty-seven thousand, six hundred eighty-five".