55486515776 has 56 divisors (see below), whose sum is σ = 113232712320. Its totient is φ = 26965233152.

The previous prime is 55486515731. The next prime is 55486515787. The reversal of 55486515776 is 67751568455.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286505 + ... + 439383.

It is an arithmetic number, because the mean of its divisors is an integer number (2022012720).

Almost surely, 2^55486515776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55486515776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56616356160).

55486515776 is an abundant number, since it is smaller than the sum of its proper divisors (57746196544).

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

55486515776 is a wasteful number, since it uses less digits than its factorization.

55486515776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153051 (or 153041 counting only the distinct ones).

The product of its digits is 35280000, while the sum is 59.

The spelling of 55486515776 in words is "fifty-five billion, four hundred eighty-six million, five hundred fifteen thousand, seven hundred seventy-six".