55939141 has 2 divisors, whose sum is σ = 55939142. Its totient is φ = 55939140.

The previous prime is 55939109. The next prime is 55939187. The reversal of 55939141 is 14193955.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50552100 + 5387041 = 7110^2 + 2321^2 .

It is a cyclic number.

It is not a de Polignac number, because 55939141 - 2⁵ = 55939109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55939141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55934141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27969570 + 27969571.

It is an arithmetic number, because the mean of its divisors is an integer number (27969571).

Almost surely, 2^55939141 is an apocalyptic number.

It is an amenable number.

55939141 is a deficient number, since it is larger than the sum of its proper divisors (1).

55939141 is an equidigital number, since it uses as much as digits as its factorization.

55939141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24300, while the sum is 37.

The square root of 55939141 is about 7479.2473551822. The cubic root of 55939141 is about 382.4475921761.

The spelling of 55939141 in words is "fifty-five million, nine hundred thirty-nine thousand, one hundred forty-one".