305250000055 has 32 divisors (see below), whose sum is σ = 491815392768. Its totient is φ = 175648348800.

The previous prime is 305250000031. The next prime is 305250000071. The reversal of 305250000055 is 550000052503.

It is not a de Polignac number, because 305250000055 - 2¹¹ = 305249998007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 305249999984 and 305250000029.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30489501 + ... + 30499510.

It is an arithmetic number, because the mean of its divisors is an integer number (15369231024).

Almost surely, 2^305250000055 is an apocalyptic number.

305250000055 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

305250000055 is a deficient number, since it is larger than the sum of its proper divisors (186565392713).

305250000055 is a wasteful number, since it uses less digits than its factorization.

305250000055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60989047.

The product of its (nonzero) digits is 3750, while the sum is 25.

Adding to 305250000055 its reverse (550000052503), we get a palindrome (855250052558).

The spelling of 305250000055 in words is "three hundred five billion, two hundred fifty million, fifty-five", and thus it is an aban number.