55824812 has 12 divisors (see below), whose sum is σ = 102835320. Its totient is φ = 26443296.

The previous prime is 55824809. The next prime is 55824817. The reversal of 55824812 is 21842855.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55824817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367193 + ... + 367344.

It is an arithmetic number, because the mean of its divisors is an integer number (8569610).

Almost surely, 2^55824812 is an apocalyptic number.

It is an amenable number.

55824812 is a deficient number, since it is larger than the sum of its proper divisors (47010508).

55824812 is a wasteful number, since it uses less digits than its factorization.

55824812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734560 (or 734558 counting only the distinct ones).

The product of its digits is 25600, while the sum is 35.

The square root of 55824812 is about 7471.6003640452. The cubic root of 55824812 is about 382.1868643429.

The spelling of 55824812 in words is "fifty-five million, eight hundred twenty-four thousand, eight hundred twelve".