55860007776 has 48 divisors (see below), whose sum is σ = 147930182064. Its totient is φ = 18455220224.

The previous prime is 55860007759. The next prime is 55860007823. The reversal of 55860007776 is 67770006855.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2563821 + ... + 2585516.

It is an arithmetic number, because the mean of its divisors is an integer number (3081878793).

Almost surely, 2^55860007776 is an apocalyptic number.

It is an amenable number.

55860007776 is an abundant number, since it is smaller than the sum of its proper divisors (92070174288).

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

55860007776 is a wasteful number, since it uses less digits than its factorization.

55860007776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5149463 (or 5149455 counting only the distinct ones).

The product of its (nonzero) digits is 2469600, while the sum is 51.

The spelling of 55860007776 in words is "fifty-five billion, eight hundred sixty million, seven thousand, seven hundred seventy-six".