55615141 has 2 divisors, whose sum is σ = 55615142. Its totient is φ = 55615140.

The previous prime is 55615129. The next prime is 55615163. The reversal of 55615141 is 14151655.

It is a happy number.

55615141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55442916 + 172225 = 7446^2 + 415^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55615141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55615171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27807570 + 27807571.

It is an arithmetic number, because the mean of its divisors is an integer number (27807571).

Almost surely, 2^55615141 is an apocalyptic number.

It is an amenable number.

55615141 is a deficient number, since it is larger than the sum of its proper divisors (1).

55615141 is an equidigital number, since it uses as much as digits as its factorization.

55615141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3000, while the sum is 28.

The square root of 55615141 is about 7457.5559669372. Note that the first 3 decimals coincide. The cubic root of 55615141 is about 381.7077820566.

Adding to 55615141 its reverse (14151655), we get a palindrome (69766796).

The spelling of 55615141 in words is "fifty-five million, six hundred fifteen thousand, one hundred forty-one".