55505103285 has 32 divisors (see below), whose sum is σ = 89478512640. Its totient is φ = 29379988800.

The previous prime is 55505103253. The next prime is 55505103301. The reversal of 55505103285 is 58230150555.

It is a happy number.

It is not a de Polignac number, because 55505103285 - 2⁵ = 55505103253 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, 1235670 + ... + 1279800.

It is an arithmetic number, because the mean of its divisors is an integer number (2796203520).

Almost surely, 2^55505103285 is an apocalyptic number.

It is an amenable number.

55505103285 is a deficient number, since it is larger than the sum of its proper divisors (33973409355).

55505103285 is a wasteful number, since it uses less digits than its factorization.

55505103285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44769.

The product of its (nonzero) digits is 150000, while the sum is 39.

The spelling of 55505103285 in words is "fifty-five billion, five hundred five million, one hundred three thousand, two hundred eighty-five".