55224030 has 32 divisors (see below), whose sum is σ = 132876288. Its totient is φ = 14688800.

The previous prime is 55224023. The next prime is 55224031. The reversal of 55224030 is 3042255.

It is a junction number, because it is equal to n+sod(n) for n = 55223988 and 55224006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55224031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10795 + ... + 15065.

It is an arithmetic number, because the mean of its divisors is an integer number (4152384).

Almost surely, 2^55224030 is an apocalyptic number.

55224030 is an abundant number, since it is smaller than the sum of its proper divisors (77652258).

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

55224030 is a wasteful number, since it uses less digits than its factorization.

55224030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4712.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 55224030 is about 7431.2872370808. The cubic root of 55224030 is about 380.8108953333.

Adding to 55224030 its reverse (3042255), we get a palindrome (58266285).

The spelling of 55224030 in words is "fifty-five million, two hundred twenty-four thousand, thirty".