55252321302 has 16 divisors (see below), whose sum is σ = 110838497472. Its totient is φ = 18361797960.

The previous prime is 55252321277. The next prime is 55252321321. The reversal of 55252321302 is 20312325255.

It is a self number, because there is not a number n which added to its sum of digits gives 55252321302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13908468 + ... + 13912439.

It is an arithmetic number, because the mean of its divisors is an integer number (6927406092).

Almost surely, 2^55252321302 is an apocalyptic number.

55252321302 is an abundant number, since it is smaller than the sum of its proper divisors (55586176170).

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

55252321302 is a wasteful number, since it uses less digits than its factorization.

55252321302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27821243.

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 55252321302 its reverse (20312325255), we get a palindrome (75564646557).

The spelling of 55252321302 in words is "fifty-five billion, two hundred fifty-two million, three hundred twenty-one thousand, three hundred two".