55679651906 has 8 divisors (see below), whose sum is σ = 83595894204. Its totient is φ = 27814353840.

The previous prime is 55679651891. The next prime is 55679652043. The reversal of 55679651906 is 60915697655.

It can be written as a sum of positive squares in 2 ways, for example, as 50573263225 + 5106388681 = 224885^2 + 71459^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12733325 + ... + 12737696.

Almost surely, 2^55679651906 is an apocalyptic number.

55679651906 is a deficient number, since it is larger than the sum of its proper divisors (27916242298).

55679651906 is a wasteful number, since it uses less digits than its factorization.

55679651906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25472116.

The product of its (nonzero) digits is 15309000, while the sum is 59.

The spelling of 55679651906 in words is "fifty-five billion, six hundred seventy-nine million, six hundred fifty-one thousand, nine hundred six".