55540102102 has 8 divisors (see below), whose sum is σ = 83311838136. Its totient is φ = 27769489392.

The previous prime is 55540102091. The next prime is 55540102109. The reversal of 55540102102 is 20120104555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55540102109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143863 + ... + 363010.

It is an arithmetic number, because the mean of its divisors is an integer number (10413979767).

Almost surely, 2^55540102102 is an apocalyptic number.

55540102102 is a deficient number, since it is larger than the sum of its proper divisors (27771736034).

55540102102 is a wasteful number, since it uses less digits than its factorization.

55540102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561662.

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 55540102102 its reverse (20120104555), we get a palindrome (75660206657).

The spelling of 55540102102 in words is "fifty-five billion, five hundred forty million, one hundred two thousand, one hundred two".