55872102 has 32 divisors (see below), whose sum is σ = 131281920. Its totient is φ = 15628320.

The previous prime is 55872079. The next prime is 55872121. The reversal of 55872102 is 20127855.

It is a self number, because there is not a number n which added to its sum of digits gives 55872102.

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, 31702 + ... + 33417.

It is an arithmetic number, because the mean of its divisors is an integer number (4102560).

Almost surely, 2^55872102 is an apocalyptic number.

55872102 is an abundant number, since it is smaller than the sum of its proper divisors (75409818).

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

55872102 is a wasteful number, since it uses less digits than its factorization.

55872102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65148.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 55872102 is about 7474.7643441115. The cubic root of 55872102 is about 382.2947525447.

Adding to 55872102 its reverse (20127855), we get a palindrome (75999957).

The spelling of 55872102 in words is "fifty-five million, eight hundred seventy-two thousand, one hundred two".