55841621783976 has 96 divisors (see below), whose sum is σ = 173218046601600. Its totient is φ = 15920140014720.

The previous prime is 55841621783929. The next prime is 55841621784001. The reversal of 55841621783976 is 67938712614855.

55841621783976 is a `hidden beast` number, since 5 + 5 + 8 + 4 + 1 + 62 + 178 + 397 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119937796 + ... + 120402483.

It is an arithmetic number, because the mean of its divisors is an integer number (1804354652100).

Almost surely, 2^{55841621783976} is an apocalyptic number.

55841621783976 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55841621783976 is an abundant number, since it is smaller than the sum of its proper divisors (117376424817624).

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

55841621783976 is a wasteful number, since it uses less digits than its factorization.

55841621783976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240340759 (or 240340752 counting only the distinct ones).

The product of its digits is 609638400, while the sum is 72.

The spelling of 55841621783976 in words is "fifty-five trillion, eight hundred forty-one billion, six hundred twenty-one million, seven hundred eighty-three thousand, nine hundred seventy-six".