55860618 has 24 divisors (see below), whose sum is σ = 122802624. Its totient is φ = 16927240.

The previous prime is 55860613. The next prime is 55860619. The reversal of 55860618 is 81606855.

55860618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55860613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37746 + ... + 39197.

It is an arithmetic number, because the mean of its divisors is an integer number (5116776).

Almost surely, 2^55860618 is an apocalyptic number.

55860618 is an abundant number, since it is smaller than the sum of its proper divisors (66942006).

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

55860618 is a wasteful number, since it uses less digits than its factorization.

55860618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76970 (or 76959 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 55860618 is about 7473.9961198813. The cubic root of 55860618 is about 382.2685583523.

The spelling of 55860618 in words is "fifty-five million, eight hundred sixty thousand, six hundred eighteen".