55252223222976 has 448 divisors, whose sum is σ = 185975581962240. Its totient is φ = 15954694778880.

The previous prime is 55252223222969. The next prime is 55252223222993. The reversal of 55252223222976 is 67922232225255.

55252223222976 is a `hidden beast` number, since 5 + 5 + 2 + 5 + 2 + 22 + 322 + 297 + 6 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26374761 + ... + 28392471.

It is an arithmetic number, because the mean of its divisors is an integer number (415124066880).

Almost surely, 2^{55252223222976} 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 55252223222976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92987790981120).

55252223222976 is an abundant number, since it is smaller than the sum of its proper divisors (130723358739264).

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

55252223222976 is a wasteful number, since it uses less digits than its factorization.

55252223222976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017821 (or 2017805 counting only the distinct ones).

The product of its digits is 18144000, while the sum is 54.

The spelling of 55252223222976 in words is "fifty-five trillion, two hundred fifty-two billion, two hundred twenty-three million, two hundred twenty-two thousand, nine hundred seventy-six".