55047255064 has 16 divisors (see below), whose sum is σ = 103216140720. Its totient is φ = 27522950880.

The previous prime is 55047255049. The next prime is 55047255083. The reversal of 55047255064 is 46055274055.

It is a self number, because there is not a number n which added to its sum of digits gives 55047255064.

It is a congruent 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, 493869 + ... + 594979.

It is an arithmetic number, because the mean of its divisors is an integer number (6451008795).

Almost surely, 2^55047255064 is an apocalyptic number.

It is an amenable number.

55047255064 is a deficient number, since it is larger than the sum of its proper divisors (48168885656).

55047255064 is a wasteful number, since it uses less digits than its factorization.

55047255064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169170 (or 169166 counting only the distinct ones).

The product of its (nonzero) digits is 840000, while the sum is 43.

The spelling of 55047255064 in words is "fifty-five billion, forty-seven million, two hundred fifty-five thousand, sixty-four".