55240551335201 has 4 divisors (see below), whose sum is σ = 55240626612804. Its totient is φ = 55240476057600.

The previous prime is 55240551335149. The next prime is 55240551335227. The reversal of 55240551335201 is 10253315504255.

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 39712695843601 + 15527855491600 = 6301801^2 + 3940540^2 .

It is a cyclic number.

It is not a de Polignac number, because 55240551335201 - 2¹⁴ = 55240551318817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55240551335261) 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, 36527120 + ... + 38009361.

It is an arithmetic number, because the mean of its divisors is an integer number (13810156653201).

Almost surely, 2^{55240551335201} is an apocalyptic number.

It is an amenable number.

55240551335201 is a deficient number, since it is larger than the sum of its proper divisors (75277603).

55240551335201 is an equidigital number, since it uses as much as digits as its factorization.

55240551335201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75277602.

The product of its (nonzero) digits is 450000, while the sum is 41.

Adding to 55240551335201 its reverse (10253315504255), we get a palindrome (65493866839456).

The spelling of 55240551335201 in words is "fifty-five trillion, two hundred forty billion, five hundred fifty-one million, three hundred thirty-five thousand, two hundred one".