55050589950640 has 160 divisors (see below), whose sum is σ = 130261314278016. Its totient is φ = 21632285122560.

The previous prime is 55050589950637. The next prime is 55050589950667. The reversal of 55050589950640 is 4605998505055.

55050589950640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×55050589950640³ (a number of 42 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1902677614 + ... + 1902706546.

Almost surely, 2^{55050589950640} 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 55050589950640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65130657139008).

55050589950640 is an abundant number, since it is smaller than the sum of its proper divisors (75210724327376).

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

55050589950640 is a wasteful number, since it uses less digits than its factorization.

55050589950640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30207 (or 30201 counting only the distinct ones).

The product of its (nonzero) digits is 48600000, while the sum is 61.

The spelling of 55050589950640 in words is "fifty-five trillion, fifty billion, five hundred eighty-nine million, nine hundred fifty thousand, six hundred forty".