55823012 has 12 divisors (see below), whose sum is σ = 111646080. Its totient is φ = 23924136.

The previous prime is 55822967. The next prime is 55823021. The reversal of 55823012 is 21032855.

55823012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

55823012 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 996812 + ... + 996867.

It is an arithmetic number, because the mean of its divisors is an integer number (9303840).

Almost surely, 2^55823012 is an apocalyptic number.

It is an amenable number.

55823012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55823012 is a wasteful number, since it uses less digits than its factorization.

55823012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993690 (or 1993688 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 55823012 is about 7471.4799069528. The cubic root of 55823012 is about 382.1827565891.

Adding to 55823012 its reverse (21032855), we get a palindrome (76855867).

The spelling of 55823012 in words is "fifty-five million, eight hundred twenty-three thousand, twelve".