55224392 has 16 divisors (see below), whose sum is σ = 106886400. Its totient is φ = 26721360.

The previous prime is 55224391. The next prime is 55224401. The reversal of 55224392 is 29342255.

It is not an unprimeable number, because it can be changed into a prime (55224391) 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, 111092 + ... + 111587.

It is an arithmetic number, because the mean of its divisors is an integer number (6680400).

Almost surely, 2^55224392 is an apocalyptic number.

It is an amenable number.

55224392 is a deficient number, since it is larger than the sum of its proper divisors (51662008).

55224392 is a wasteful number, since it uses less digits than its factorization.

55224392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222716 (or 222712 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 55224392 is about 7431.3115935210. The cubic root of 55224392 is about 380.8117274182.

The spelling of 55224392 in words is "fifty-five million, two hundred twenty-four thousand, three hundred ninety-two".