55308302825 has 6 divisors (see below), whose sum is σ = 68582295534. Its totient is φ = 44246642240.

The previous prime is 55308302779. The next prime is 55308302839. The reversal of 55308302825 is 52820380355.

55308302825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 11793091216 + 43515211609 = 108596^2 + 208603^2 .

It is not a de Polignac number, because 55308302825 - 2²² = 55304108521 is a prime.

It is a super-2 number, since 2×55308302825² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1106166032 + ... + 1106166081.

It is an arithmetic number, because the mean of its divisors is an integer number (11430382589).

Almost surely, 2^55308302825 is an apocalyptic number.

It is an amenable number.

55308302825 is a deficient number, since it is larger than the sum of its proper divisors (13273992709).

55308302825 is a wasteful number, since it uses less digits than its factorization.

55308302825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212332123 (or 2212332118 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 55308302825 in words is "fifty-five billion, three hundred eight million, three hundred two thousand, eight hundred twenty-five".