55563001685 has 8 divisors (see below), whose sum is σ = 66911206560. Its totient is φ = 44293331664.

The previous prime is 55563001661. The next prime is 55563001691. The reversal of 55563001685 is 58610036555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55563001685 - 2²⁴ = 55546224469 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19632155 + ... + 19634984.

It is an arithmetic number, because the mean of its divisors is an integer number (8363900820).

Almost surely, 2^55563001685 is an apocalyptic number.

It is an amenable number.

55563001685 is a deficient number, since it is larger than the sum of its proper divisors (11348204875).

55563001685 is a wasteful number, since it uses less digits than its factorization.

55563001685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39267427.

The product of its (nonzero) digits is 540000, while the sum is 44.

The spelling of 55563001685 in words is "fifty-five billion, five hundred sixty-three million, one thousand, six hundred eighty-five".