55087736064 has 72 divisors (see below), whose sum is σ = 151343254272. Its totient is φ = 17770229760.

The previous prime is 55087736021. The next prime is 55087736083. The reversal of 55087736064 is 46063778055.

It is a junction number, because it is equal to n+sod(n) for n = 55087735998 and 55087736016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1133109 + ... + 1180724.

Almost surely, 2^55087736064 is an apocalyptic number.

It is an amenable number.

55087736064 is an abundant number, since it is smaller than the sum of its proper divisors (96255518208).

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

55087736064 is a wasteful number, since it uses less digits than its factorization.

55087736064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313883 (or 2313869 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 51.

The spelling of 55087736064 in words is "fifty-five billion, eighty-seven million, seven hundred thirty-six thousand, sixty-four".