55052101021204 has 192 divisors, whose sum is σ = 123577690521600. Its totient is φ = 20928429043200.

The previous prime is 55052101021199. The next prime is 55052101021277. The reversal of 55052101021204 is 40212010125055.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

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, 66406717 + ... + 67230619.

It is an arithmetic number, because the mean of its divisors is an integer number (643633804800).

Almost surely, 2^{55052101021204} 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 55052101021204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61788845260800).

55052101021204 is an abundant number, since it is smaller than the sum of its proper divisors (68525589500396).

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

55052101021204 is a wasteful number, since it uses less digits than its factorization.

55052101021204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824094 (or 824092 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 55052101021204 its reverse (40212010125055), we get a palindrome (95264111146259).

The spelling of 55052101021204 in words is "fifty-five trillion, fifty-two billion, one hundred one million, twenty-one thousand, two hundred four".