55605102 has 64 divisors (see below), whose sum is σ = 133056000. Its totient is φ = 15476160.

The previous prime is 55605101. The next prime is 55605107. The reversal of 55605102 is 20150655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55605101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84049 + ... + 84707.

It is an arithmetic number, because the mean of its divisors is an integer number (2079000).

Almost surely, 2^55605102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55605102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66528000).

55605102 is an abundant number, since it is smaller than the sum of its proper divisors (77450898).

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

55605102 is a wasteful number, since it uses less digits than its factorization.

55605102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726 (or 712 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 55605102 is about 7456.8828608206. The cubic root of 55605102 is about 381.6848135212.

Adding to 55605102 its reverse (20150655), we get a palindrome (75755757).

The spelling of 55605102 in words is "fifty-five million, six hundred five thousand, one hundred two".