55076444720 has 160 divisors (see below), whose sum is σ = 146972218176. Its totient is φ = 19010764800.

The previous prime is 55076444719. The next prime is 55076444741. The reversal of 55076444720 is 2744467055.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1314332 + ... + 1355588.

Almost surely, 2^55076444720 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 55076444720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73486109088).

55076444720 is an abundant number, since it is smaller than the sum of its proper divisors (91895773456).

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

55076444720 is a wasteful number, since it uses less digits than its factorization.

55076444720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41359 (or 41353 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 44.

The spelling of 55076444720 in words is "fifty-five billion, seventy-six million, four hundred forty-four thousand, seven hundred twenty".