55542341 has 2 divisors, whose sum is σ = 55542342. Its totient is φ = 55542340.

The previous prime is 55542329. The next prime is 55542343. The reversal of 55542341 is 14324555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28398241 + 27144100 = 5329^2 + 5210^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55542341 is a prime.

Together with 55542343, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55542343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27771170 + 27771171.

It is an arithmetic number, because the mean of its divisors is an integer number (27771171).

Almost surely, 2^55542341 is an apocalyptic number.

It is an amenable number.

55542341 is a deficient number, since it is larger than the sum of its proper divisors (1).

55542341 is an equidigital number, since it uses as much as digits as its factorization.

55542341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12000, while the sum is 29.

The square root of 55542341 is about 7452.6734129438. The cubic root of 55542341 is about 381.5411580055.

Adding to 55542341 its reverse (14324555), we get a palindrome (69866896).

The spelling of 55542341 in words is "fifty-five million, five hundred forty-two thousand, three hundred forty-one".