55217005201685 has 32 divisors (see below), whose sum is σ = 70310285210880. Its totient is φ = 41539329216000.

The previous prime is 55217005201667. The next prime is 55217005201733. The reversal of 55217005201685 is 58610250071255.

It is not a de Polignac number, because 55217005201685 - 2¹⁴ = 55217005185301 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11893985 + ... + 15871385.

It is an arithmetic number, because the mean of its divisors is an integer number (2197196412840).

Almost surely, 2^{55217005201685} is an apocalyptic number.

It is an amenable number.

55217005201685 is a deficient number, since it is larger than the sum of its proper divisors (15093280009195).

55217005201685 is a wasteful number, since it uses less digits than its factorization.

55217005201685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3979469.

The product of its (nonzero) digits is 840000, while the sum is 47.

The spelling of 55217005201685 in words is "fifty-five trillion, two hundred seventeen billion, five million, two hundred one thousand, six hundred eighty-five".