55687073826 has 32 divisors (see below), whose sum is σ = 113886984960. Its totient is φ = 18144546176.

The previous prime is 55687073807. The next prime is 55687073857. The reversal of 55687073826 is 62837078655.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100870 + ... + 348638.

It is an arithmetic number, because the mean of its divisors is an integer number (3558968280).

Almost surely, 2^55687073826 is an apocalyptic number.

55687073826 is an abundant number, since it is smaller than the sum of its proper divisors (58199911134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55687073826 is a wasteful number, since it uses less digits than its factorization.

55687073826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248618.

The product of its (nonzero) digits is 16934400, while the sum is 57.

The spelling of 55687073826 in words is "fifty-five billion, six hundred eighty-seven million, seventy-three thousand, eight hundred twenty-six".