55600530 has 48 divisors (see below), whose sum is σ = 136503360. Its totient is φ = 14494048.

The previous prime is 55600481. The next prime is 55600537. The reversal of 55600530 is 3500655.

It is a self number, because there is not a number n which added to its sum of digits gives 55600530.

It is not an unprimeable number, because it can be changed into a prime (55600537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65851 + ... + 66689.

It is an arithmetic number, because the mean of its divisors is an integer number (2843820).

Almost surely, 2^55600530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55600530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68251680).

55600530 is an abundant number, since it is smaller than the sum of its proper divisors (80902830).

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

55600530 is a wasteful number, since it uses less digits than its factorization.

55600530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943 (or 896 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 55600530 is about 7456.5762921062. The cubic root of 55600530 is about 381.6743521862.

The spelling of 55600530 in words is "fifty-five million, six hundred thousand, five hundred thirty".