55444237156 has 135 divisors (see below), whose sum is σ = 125054342595. Its totient is φ = 21446243280.

The previous prime is 55444237153. The next prime is 55444237201. The reversal of 55444237156 is 65173244455.

The square root of 55444237156 is 235466.

It is a perfect power (a square), and thus also a powerful number.

It is not an unprimeable number, because it can be changed into a prime (55444237153) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 398879335 + ... + 398879473.

Almost surely, 2^55444237156 is an apocalyptic number.

55444237156 is the 235466-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55444237156

55444237156 is an abundant number, since it is smaller than the sum of its proper divisors (69610105439).

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

55444237156 is an equidigital number, since it uses as much as digits as its factorization.

55444237156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340 (or 159 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 46.

The spelling of 55444237156 in words is "fifty-five billion, four hundred forty-four million, two hundred thirty-seven thousand, one hundred fifty-six".