55969687085 has 16 divisors (see below), whose sum is σ = 72344616960. Its totient is φ = 41323141440.

The previous prime is 55969687073. The next prime is 55969687117. The reversal of 55969687085 is 58078696955.

It is not a de Polignac number, because 55969687085 - 2⁴ = 55969687069 is a prime.

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, 248630 + ... + 416840.

It is an arithmetic number, because the mean of its divisors is an integer number (4521538560).

Almost surely, 2^55969687085 is an apocalyptic number.

It is an amenable number.

55969687085 is a deficient number, since it is larger than the sum of its proper divisors (16374929875).

55969687085 is a wasteful number, since it uses less digits than its factorization.

55969687085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173348.

The product of its (nonzero) digits is 163296000, while the sum is 68.

It can be divided in two parts, 559696870 and 85, that added together give a palindrome (559696955).

The spelling of 55969687085 in words is "fifty-five billion, nine hundred sixty-nine million, six hundred eighty-seven thousand, eighty-five".