55002212 has 24 divisors (see below), whose sum is σ = 100328760. Its totient is φ = 26351360.

The previous prime is 55002179. The next prime is 55002221. The reversal of 55002212 is 21220055.

It can be written as a sum of positive squares in 4 ways, for example, as 4393216 + 50608996 = 2096^2 + 7114^2 .

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, 14162 + ... + 17622.

It is an arithmetic number, because the mean of its divisors is an integer number (4180365).

Almost surely, 2^55002212 is an apocalyptic number.

It is an amenable number.

55002212 is a deficient number, since it is larger than the sum of its proper divisors (45326548).

55002212 is a wasteful number, since it uses less digits than its factorization.

55002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3631 (or 3629 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 55002212 is about 7416.3476186058. The cubic root of 55002212 is about 380.3003442689.

Adding to 55002212 its reverse (21220055), we get a palindrome (76222267).

The spelling of 55002212 in words is "fifty-five million, two thousand, two hundred twelve".