55845633204 has 72 divisors (see below), whose sum is σ = 143614336320. Its totient is φ = 18292516992.

The previous prime is 55845633203. The next prime is 55845633227. The reversal of 55845633204 is 40233654855.

55845633204 is a `hidden beast` number, since 5 + 5 + 8 + 4 + 5 + 633 + 2 + 0 + 4 = 666.

It is a super-4 number, since 4×55845633204⁴ (a number of 44 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55845633204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55845633203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9731424 + ... + 9737160.

It is an arithmetic number, because the mean of its divisors is an integer number (1994643560).

Almost surely, 2^55845633204 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 55845633204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71807168160).

55845633204 is an abundant number, since it is smaller than the sum of its proper divisors (87768703116).

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

55845633204 is a wasteful number, since it uses less digits than its factorization.

55845633204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10389 (or 10384 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 45.

The spelling of 55845633204 in words is "fifty-five billion, eight hundred forty-five million, six hundred thirty-three thousand, two hundred four".