55550650540 has 96 divisors (see below), whose sum is σ = 146077747200. Its totient is φ = 17238769920.

The previous prime is 55550650511. The next prime is 55550650591. The reversal of 55550650540 is 4505605555.

It is a junction number, because it is equal to n+sod(n) for n = 55550650493 and 55550650502.

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, 273901 + ... + 431419.

It is an arithmetic number, because the mean of its divisors is an integer number (1521643200).

Almost surely, 2^55550650540 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 55550650540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73038873600).

55550650540 is an abundant number, since it is smaller than the sum of its proper divisors (90527096660).

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

55550650540 is a wasteful number, since it uses less digits than its factorization.

55550650540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157775 (or 157773 counting only the distinct ones).

The product of its (nonzero) digits is 375000, while the sum is 40.

The spelling of 55550650540 in words is "fifty-five billion, five hundred fifty million, six hundred fifty thousand, five hundred forty".