55283812 has 24 divisors (see below), whose sum is σ = 102618432. Its totient is φ = 26004000.

The previous prime is 55283801. The next prime is 55283821. The reversal of 55283812 is 21838255.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 687 + ... + 10537.

It is an arithmetic number, because the mean of its divisors is an integer number (4275768).

Almost surely, 2^55283812 is an apocalyptic number.

It is an amenable number.

55283812 is a deficient number, since it is larger than the sum of its proper divisors (47334620).

55283812 is a wasteful number, since it uses less digits than its factorization.

55283812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9939 (or 9937 counting only the distinct ones).

The product of its digits is 19200, while the sum is 34.

The square root of 55283812 is about 7435.3084670375. The cubic root of 55283812 is about 380.9482596112.

The spelling of 55283812 in words is "fifty-five million, two hundred eighty-three thousand, eight hundred twelve".