55486529838 has 12 divisors (see below), whose sum is σ = 120220814688. Its totient is φ = 18495509940.

The previous prime is 55486529831. The next prime is 55486529849. The reversal of 55486529838 is 83892568455.

55486529838 is a `hidden beast` number, since 5 + 548 + 6 + 5 + 2 + 9 + 83 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55486529831) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1541292478 + ... + 1541292513.

It is an arithmetic number, because the mean of its divisors is an integer number (10018401224).

Almost surely, 2^55486529838 is an apocalyptic number.

55486529838 is an abundant number, since it is smaller than the sum of its proper divisors (64734284850).

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

55486529838 is a wasteful number, since it uses less digits than its factorization.

55486529838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082584999 (or 3082584996 counting only the distinct ones).

The product of its digits is 82944000, while the sum is 63.

The spelling of 55486529838 in words is "fifty-five billion, four hundred eighty-six million, five hundred twenty-nine thousand, eight hundred thirty-eight".