55650012022020 has 96 divisors (see below), whose sum is σ = 167808950039808. Its totient is φ = 13698239196672.

The previous prime is 55650012022009. The next prime is 55650012022049. The reversal of 55650012022020 is 2022021005655.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 49620502 + ... + 50729618.

It is an arithmetic number, because the mean of its divisors is an integer number (1748009896248).

Almost surely, 2^{55650012022020} is an apocalyptic number.

It is an amenable number.

55650012022020 is an abundant number, since it is smaller than the sum of its proper divisors (112158938017788).

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

55650012022020 is a wasteful number, since it uses less digits than its factorization.

55650012022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173469 (or 1173467 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 55650012022020 its reverse (2022021005655), we get a palindrome (57672033027675).

The spelling of 55650012022020 in words is "fifty-five trillion, six hundred fifty billion, twelve million, twenty-two thousand, twenty".