55210002 has 16 divisors (see below), whose sum is σ = 112230912. Its totient is φ = 18101520.

The previous prime is 55209989. The next prime is 55210021. The reversal of 55210002 is 20001255.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75058 + ... + 75789.

It is an arithmetic number, because the mean of its divisors is an integer number (7014432).

Almost surely, 2^55210002 is an apocalyptic number.

55210002 is an abundant number, since it is smaller than the sum of its proper divisors (57020910).

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

55210002 is a wasteful number, since it uses less digits than its factorization.

55210002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150913.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 55210002 is about 7430.3433298873. The cubic root of 55210002 is about 380.7786480934.

Adding to 55210002 its reverse (20001255), we get a palindrome (75211257).

The spelling of 55210002 in words is "fifty-five million, two hundred ten thousand, two".