55939487112 has 160 divisors (see below), whose sum is σ = 159212148480. Its totient is φ = 18346694400.

The previous prime is 55939487083. The next prime is 55939487137. The reversal of 55939487112 is 21178493955.

It is a happy number.

55939487112 is a `hidden beast` number, since 5 + 593 + 9 + 48 + 7 + 1 + 1 + 2 = 666.

It is a super-2 number, since 2×55939487112² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 39 ways as a sum of consecutive naturals, for example, 23792737 + ... + 23795087.

It is an arithmetic number, because the mean of its divisors is an integer number (995075928).

Almost surely, 2^55939487112 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 55939487112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79606074240).

55939487112 is an abundant number, since it is smaller than the sum of its proper divisors (103272661368).

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

55939487112 is a wasteful number, since it uses less digits than its factorization.

55939487112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2945 (or 2932 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 54.

The spelling of 55939487112 in words is "fifty-five billion, nine hundred thirty-nine million, four hundred eighty-seven thousand, one hundred twelve".