55327640320301 has 4 divisors (see below), whose sum is σ = 55327728534972. Its totient is φ = 55327552105632.

The previous prime is 55327640320297. The next prime is 55327640320307. The reversal of 55327640320301 is 10302304672355.

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 4436609218276 + 50891031102025 = 2106326^2 + 7133795^2 .

It is a cyclic number.

It is not a de Polignac number, because 55327640320301 - 2² = 55327640320297 is a prime.

It is a super-2 number, since 2×55327640320301² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55327640320307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43159760 + ... + 44423193.

It is an arithmetic number, because the mean of its divisors is an integer number (13831932133743).

Almost surely, 2^{55327640320301} is an apocalyptic number.

It is an amenable number.

55327640320301 is a deficient number, since it is larger than the sum of its proper divisors (88214671).

55327640320301 is an equidigital number, since it uses as much as digits as its factorization.

55327640320301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88214670.

The product of its (nonzero) digits is 453600, while the sum is 41.

Adding to 55327640320301 its reverse (10302304672355), we get a palindrome (65629944992656).

The spelling of 55327640320301 in words is "fifty-five trillion, three hundred twenty-seven billion, six hundred forty million, three hundred twenty thousand, three hundred one".