55035222 has 64 divisors (see below), whose sum is σ = 128314368. Its totient is φ = 15552000.

The previous prime is 55035193. The next prime is 55035257. The reversal of 55035222 is 22253055.

It is a junction number, because it is equal to n+sod(n) for n = 55035192 and 55035201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202947 + ... + 203217.

It is an arithmetic number, because the mean of its divisors is an integer number (2004912).

Almost surely, 2^55035222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55035222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64157184).

55035222 is an abundant number, since it is smaller than the sum of its proper divisors (73279146).

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

55035222 is a wasteful number, since it uses less digits than its factorization.

55035222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 55035222 is about 7418.5727737888. The cubic root of 55035222 is about 380.3764091115.

Adding to 55035222 its reverse (22253055), we get a palindrome (77288277).

The spelling of 55035222 in words is "fifty-five million, thirty-five thousand, two hundred twenty-two".