55889400204 has 72 divisors (see below), whose sum is σ = 154355986512. Its totient is φ = 16910167680.

The previous prime is 55889400191. The next prime is 55889400211. The reversal of 55889400204 is 40200498855.

55889400204 is a `hidden beast` number, since 5 + 588 + 9 + 40 + 0 + 20 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 55889400204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150522 + ... + 366654.

It is an arithmetic number, because the mean of its divisors is an integer number (2143833146).

Almost surely, 2^55889400204 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 55889400204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77177993256).

55889400204 is an abundant number, since it is smaller than the sum of its proper divisors (98466586308).

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

55889400204 is a wasteful number, since it uses less digits than its factorization.

55889400204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216807 (or 216802 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The spelling of 55889400204 in words is "fifty-five billion, eight hundred eighty-nine million, four hundred thousand, two hundred four".