55201804481 has 2 divisors, whose sum is σ = 55201804482. Its totient is φ = 55201804480.

The previous prime is 55201804477. The next prime is 55201804499. The reversal of 55201804481 is 18440810255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50004115456 + 5197689025 = 223616^2 + 72095^2 .

It is a cyclic number.

It is not a de Polignac number, because 55201804481 - 2² = 55201804477 is a prime.

It is a super-2 number, since 2×55201804481² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55201804381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27600902240 + 27600902241.

It is an arithmetic number, because the mean of its divisors is an integer number (27600902241).

Almost surely, 2^55201804481 is an apocalyptic number.

It is an amenable number.

55201804481 is a deficient number, since it is larger than the sum of its proper divisors (1).

55201804481 is an equidigital number, since it uses as much as digits as its factorization.

55201804481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51200, while the sum is 38.

The spelling of 55201804481 in words is "fifty-five billion, two hundred one million, eight hundred four thousand, four hundred eighty-one".