55102102 has 32 divisors (see below), whose sum is σ = 93461760. Its totient is φ = 24144480.

The previous prime is 55102067. The next prime is 55102121. The reversal of 55102102 is 20120155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112903 + ... + 113389.

It is an arithmetic number, because the mean of its divisors is an integer number (2920680).

Almost surely, 2^55102102 is an apocalyptic number.

55102102 is a deficient number, since it is larger than the sum of its proper divisors (38359658).

55102102 is a wasteful number, since it uses less digits than its factorization.

55102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 55102102 is about 7423.0790107610. The cubic root of 55102102 is about 380.5304273042.

Adding to 55102102 its reverse (20120155), we get a palindrome (75222257).

The spelling of 55102102 in words is "fifty-five million, one hundred two thousand, one hundred two".