55566156112 has 40 divisors (see below), whose sum is σ = 109798363080. Its totient is φ = 27234209280.

The previous prime is 55566156049. The next prime is 55566156143. The reversal of 55566156112 is 21165166555.

It can be written as a sum of positive squares in 4 ways, for example, as 14545324816 + 41020831296 = 120604^2 + 202536^2 .

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, 188814 + ... + 383122.

It is an arithmetic number, because the mean of its divisors is an integer number (2744959077).

Almost surely, 2^55566156112 is an apocalyptic number.

It is an amenable number.

55566156112 is a deficient number, since it is larger than the sum of its proper divisors (54232206968).

55566156112 is a wasteful number, since it uses less digits than its factorization.

55566156112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194671 (or 194665 counting only the distinct ones).

The product of its digits is 270000, while the sum is 43.

The spelling of 55566156112 in words is "fifty-five billion, five hundred sixty-six million, one hundred fifty-six thousand, one hundred twelve".