650005560 has 112 divisors (see below), whose sum is σ = 2192864040. Its totient is φ = 173327040.

The previous prime is 650005541. The next prime is 650005579. The reversal of 650005560 is 65500056.

650005560 is a `hidden beast` number, since 650 + 0 + 0 + 5 + 5 + 6 + 0 = 666.

650005560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (650005541) and next prime (650005579).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 18015 + ... + 40305.

Almost surely, 2^650005560 is an apocalyptic number.

650005560 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650005560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1096432020).

650005560 is an abundant number, since it is smaller than the sum of its proper divisors (1542858480).

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

650005560 is a wasteful number, since it uses less digits than its factorization.

650005560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22320 (or 22301 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 650005560 is about 25495.2066083019. The cubic root of 650005560 is about 866.2415752259.

The spelling of 650005560 in words is "six hundred fifty million, five thousand, five hundred sixty".