610005500550 has 144 divisors (see below), whose sum is σ = 1684469678112. Its totient is φ = 158150016000.

The previous prime is 610005500543. The next prime is 610005500567. The reversal of 610005500550 is 55005500016.

610005500550 is a `hidden beast` number, since 6 + 100 + 0 + 5 + 5 + 0 + 0 + 550 = 666.

610005500550 is a modest number, since divided by 5500550 gives 6100 as remainder.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 22747150 + ... + 22773950.

It is an arithmetic number, because the mean of its divisors is an integer number (11697706098).

Almost surely, 2^610005500550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 610005500550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (842234839056).

610005500550 is an abundant number, since it is smaller than the sum of its proper divisors (1074464177562).

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

610005500550 is a wasteful number, since it uses less digits than its factorization.

610005500550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28223 (or 28215 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The spelling of 610005500550 in words is "six hundred ten billion, five million, five hundred thousand, five hundred fifty".