55325322661145 has 4 divisors (see below), whose sum is σ = 66390387193380. Its totient is φ = 44260258128912.

The previous prime is 55325322661139. The next prime is 55325322661171. The reversal of 55325322661145 is 54116622352355.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14925264602329 + 40400058058816 = 3863323^2 + 6356104^2 .

It is a cyclic number.

It is not a de Polignac number, because 55325322661145 - 2⁴ = 55325322661129 is a prime.

It is a super-2 number, since 2×55325322661145² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55325322661093 and 55325322661102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5532532266110 + ... + 5532532266119.

It is an arithmetic number, because the mean of its divisors is an integer number (16597596798345).

Almost surely, 2^{55325322661145} is an apocalyptic number.

It is an amenable number.

55325322661145 is a deficient number, since it is larger than the sum of its proper divisors (11065064532235).

55325322661145 is a wasteful number, since it uses less digits than its factorization.

55325322661145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11065064532234.

The product of its digits is 6480000, while the sum is 50.

The spelling of 55325322661145 in words is "fifty-five trillion, three hundred twenty-five billion, three hundred twenty-two million, six hundred sixty-one thousand, one hundred forty-five".