55860012 has 36 divisors (see below), whose sum is σ = 152064640. Its totient is φ = 17187552.

The previous prime is 55860001. The next prime is 55860023. The reversal of 55860012 is 21006855.

55860012 is a `hidden beast` number, since 5 + 58 + 600 + 1 + 2 = 666.

55860012 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 (55860001) and next prime (55860023).

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

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, 59212 + ... + 60147.

Almost surely, 2^55860012 is an apocalyptic number.

55860012 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

55860012 is an abundant number, since it is smaller than the sum of its proper divisors (96204628).

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

55860012 is a wasteful number, since it uses less digits than its factorization.

55860012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119382 (or 119377 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 55860012 is about 7473.9555792097. The cubic root of 55860012 is about 382.2671760094.

Adding to 55860012 its reverse (21006855), we get a palindrome (76866867).

The spelling of 55860012 in words is "fifty-five million, eight hundred sixty thousand, twelve".