55651560006 has 48 divisors (see below), whose sum is σ = 134250891264. Its totient is φ = 15063576048.

The previous prime is 55651559993. The next prime is 55651560011. The reversal of 55651560006 is 60006515655.

It is a super-2 number, since 2×55651560006² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1820070 + ... + 1850393.

It is an arithmetic number, because the mean of its divisors is an integer number (2796893568).

Almost surely, 2^55651560006 is an apocalyptic number.

55651560006 is an abundant number, since it is smaller than the sum of its proper divisors (78599331258).

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

55651560006 is a wasteful number, since it uses less digits than its factorization.

55651560006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3670513 (or 3670494 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 55651560006 in words is "fifty-five billion, six hundred fifty-one million, five hundred sixty thousand, six".